Спутник ДЗЗ. Cryosat 2. [Редактировать]

Дополнительные наименования

#НаименованияПоиск в новостяхПоиск в документах
136508НайтиНайти
2CryoSat-2НайтиНайти

Дополнительная классификация

#Наименования
1Страна оператор(владелец) - Европа
2Тип оператора(владельца) - государственный
3Тип орбиты - НОО
4Страна производитель - Франция
5Страна производитель - Великобритания
6Страна производитель - Германия
7Страна производитель - Испания
8Все спутники ДЗЗ

Технические характеристики

#ХарактеристикаЗначение
1Масса, кг.720
2Масса (сухая), кг.683
3Полезная нагрузка 1xDORIS (CryoSat)
4Полезная нагрузка 1xLRR (ESA)
5Полезная нагрузка 1xSIRAL
6Мощность, Вт1700

Характеристики орбиты

#ХарактеристикаЗначение
1Наклонение, град92.0
2Апогей, км730.2
3Перигей, км721.2
4Период, минут99.2
5Длинный диаметр эллипса, км7096

Пусковые характеристики

#ХарактеристикаЗначение
1Код NSSDC2010-013A

Экономические характеристики

#ХарактеристикаДата измеренияЗначение
1Стоимость , млн. евро106
2Стоимость (аппарат), млн. долл.141

Информация об удачном запуске

#ХарактеристикаЗначение
1Дата пуска2010-04-08 at 13:57:00 UTC
2Полезная нагрузка 1xCryosat 2
3Ракета-носитель 1xДнепр

Найдено 1000 документов по запросу «Cryosat 2». [Перейти к поиску]


Дата загрузки: 2017-05-20
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0.09/5
... Contact: ESA Publications Division – The CryoSat Mission european space agency The... politique industrielle cohérente. Cover: CryoSat at the moment of separation... CryoSat: A Mission to the Ice Fields of Earth 19 The CryoSat System The CryoSat Data Products – The satellite... ESA Payloads for Columbus The CryoSat Data Products – Their generation, in...) • SWARM (Earth magnetic-field survey). CryoSat is scheduled for launch this... PM Page 11 Cryosat Mission Prof. Duncan Wingham CryoSat Lead Investigator University... winter weather of Western Europe. CryoSat is ESA’s first mission dedicated..., when I came to specify the CryoSat mission, I could find no information.../05 3:42 PM Page 15 Cryosat Mission Residual uncertainty Measurement requirement.../yr 0.12 cm/yr Table 1. CryoSat performance and measurement accuracy for... (in the Antarctic). CryoSat – Starting with a Clean Sheet CryoSat is ESA’s first... limit allowed by natural variability. CryoSat has been designed to ensure... 1. Clearly, the scientific importance of CryoSat would be even greater if... 1 are sufficient to ensure that CryoSat, during its lifetime, will both... too complicated to interpret. The CryoSat radar, ‘SIRAL’, meets this demand.... The real practical challenge of CryoSat was its implementation within the... (and implicitly compressed schedule) of CryoSat has undoubtedly made higher-than... natural variation that CryoSat will make its particular contribution. CryoSat aims at.... Here, however, the value of Cryosat measurements will be greatly increased..., more reliable predictions will result. CryoSat is also a technical experiment. Its... 2 Cryosat System The CryoSat System Guy Ratier, Richard Francis & Constantin Mavrocordatos CryoSat Project... cycle with a stringent cost ceiling. CryoSat is a fully integrated system in... surfaces, this was a natural choice. CryoSat’s radar altimeter is called SIRAL... Page 4 Earth Observation Cryosat System Artist’s impression of CryoSat in orbit, flying... further payload items are needed. CryoSat includes a DORIS Receiver, a special radio... definition of a specific orbit for CryoSat. The orbital inclination is 92... factors led inevitably to the CryoSat design (indeed during the competitive... of a rather ponderous deduction of CryoSat’s design from the mission’s requirements... the solar cells themselves. Thus CryoSat, as a lowcost mission, has ended... 1:08 PM Page 6 Earth Observation Cryosat System Parameter LRM SAR SARIn... and innovation Like all of CryoSat’s equipment, the SIRAL radar altimeter... between successive wideband measurement bursts. CryoSat’s DORIS receiver is part of... in processing the SIRAL data. CryoSat includes a set of three identical... allocation originally given to EnviSat. CryoSat is an unusual satellite in... usually commonplace. Attitude control for CryoSat is innovative since it principally...-pointing within the required tolerance. CryoSat’s main means of generating such... building- www.esa.int CryoSat in a Nutshell CryoSat Mission To determine fluctuations... during flight. In between times, CryoSat is constantly being probed and... of ‘torture’ for the satellite. CryoSat had its mass properties (centre... stations and slightly thereafter the CryoSat ground station at Kiruna. Then... PM Page 2 Cryosat Products An outline of the CryoSat system showing the... The CryoSat Data Products: Richard Francis, Pierre Viau & Robert Cullen CryoSat Project... Earthobservation missions, the planning of CryoSat operations is very static, and... the conceptual design of the CryoSat dataprocessing system. How the System... data reproduction costs. However, with CryoSat’s principally electronic transfers this distinction... proposals will exploit data from CryoSat’s baseline mission, but others led... of the uncertainties in the CryoSat products. Recognising that this would... the CryoSat data processors. As a direct result, we set up the CryoSat...-ordinated ground and aircraft experiments CryoSat traces its ground track at... validation activities Several of the CryoSat validation experiments, in particular those... we have adopted. After the CryoSat launch, the subsequent validation activities... the retrieval errors in the CryoSat products, through comparison with the.... Applications of CryoSat Data As mentioned earlier, the two CryoSat AOs have...-balance which originally prompted the CryoSat mission, others plan to use... additional user community joining the CryoSat team, with the introduction of..., such as meteorological services. The CryoSat mission will provide useful information... 2005 GALILEOSAT PROG. TECHNOL. METOP CRYOSAT ADM-AEOLUS FIRST LAUNCH 2005... launch date of August 2012. CryoSat NIRSpec The procurement activities for... vibration tested in January. The CryoSat satellite ready to undergo a thermal... on the development of the CryoSat satellite, particularly with the testing... launch. Activities associated with the CryoSat ground segment are progressing nominally... campaigns have demonstrated that the CryoSat ground segment is in a healthy... Progress To prepare for the CryoSat level-2 productvalidation activities, a complementary scientific...



Дата загрузки: 2016-11-03
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0.14/5
... © Author(s) 2015. CC Attribution 3.0 License. CryoSat-2 delivers monthly and inter-annual... Abstract. We show that the CryoSat-2 radar altimeter can provide useful... the frequent coverage provided by CryoSat-2. For example, the average summer... surface elevation change estimates from CryoSat for both ice caps are... in 2017, but until then CryoSat-2 (CS2), launched by the European... Union. 1896 L. Gray et al.: CryoSat-2 delivers monthly and inter-annual... during field campaigns under the CryoSat Validation Experiment (CryoVex) at selected.../9/1895/2015/ L. Gray et al.: CryoSat-2 delivers monthly and inter-annual..., 2015 1898 L. Gray et al.: CryoSat-2 delivers monthly and inter-annual... the unit vector in the “CryoSat-2 reference frame” (Wingham et al.../9/1895/2015/ L. Gray et al.: CryoSat-2 delivers monthly and inter-annual..., 2015 1900 L. Gray et al.: CryoSat-2 delivers monthly and inter-annual.../9/1895/2015/ L. Gray et al.: CryoSat-2 delivers monthly and inter-annual..., 2015 1902 L. Gray et al.: CryoSat-2 delivers monthly and inter-annual.../9/1895/2015/ L. Gray et al.: CryoSat-2 delivers monthly and inter-annual..., 2015 1904 L. Gray et al.: CryoSat-2 delivers monthly and inter-annual.../9/1895/2015/ L. Gray et al.: CryoSat-2 delivers monthly and inter-annual..., 2015 1906 L. Gray et al.: CryoSat-2 delivers monthly and inter-annual.../9/1895/2015/ L. Gray et al.: CryoSat-2 delivers monthly and inter-annual... 3, which has surged during the CryoSat-2 time period, have been removed..., 2015 1908 L. Gray et al.: CryoSat-2 delivers monthly and inter-annual.../9/1895/2015/ L. Gray et al.: CryoSat-2 delivers monthly and inter-annual... and the heights derived from CryoSat-2. This has been confirmed with..., 2015 1910 L. Gray et al.: CryoSat-2 delivers monthly and inter-annual... elevation since mid-2010 when CryoSat-2 was commissioned. However, all the... elevations. For the first time, CryoSat-2 has provided credible monthly height.../9/1895/2015/ L. Gray et al.: CryoSat-2 delivers monthly and inter-annual... of the SARIn mode of Cryosat allows the user to identify... Agency through the provision of CryoSat-2 data and the support for...., 48, 159–170, 2008. Bouzinac, C.: CryoSat-2 Product Handbook, Tech. Report, European....int/ emits-doc/ESRIN/7158/CryoSat-PHB-17apr2012.pdf (last access..., 2015 1912 L. Gray et al.: CryoSat-2 delivers monthly and inter-annual..., W. H. F., and Abdall, S.: Calibration of the CryoSat-2 Interferometer and Measurement of Across... Helm, V.: Interferometric swath processing of CryoSat-2 data for glacial ice topography... losses from Antarctica detected by CryoSat-2, Geophys. Res. Lett., 41, 3899... 2012 melt event effects on CryoSat-2 radar altimetry, Geophys. Res. Lett..., R.: Impact of snow accumulation on CryoSat-2 range retrievals over Arctic sea.../9/1895/2015/ L. Gray et al.: CryoSat-2 delivers monthly and inter-annual..., G., Rey, L., Rostan, F., Viau, P., and Wallis, D.: CryoSat-2: a mission to determine the fluctuations...



Дата загрузки: 2017-04-23
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0.31/5
... with hydrologic/hydrodynamic models. Except CryoSat-2, all radar altimetry missions have... reduction through multi-looks. However, CryoSat-2 challenges conventional ways of dealing... for rivers. We review the CryoSat-2 mission characteristics, data products, and... CryoSat-2, and conclude with a discussion of promising future research directions. Keywords: CryoSat... (ESA) there are ERS-1/2, ENVISAT, CryoSat-2, and Sentinel-3. Besides that, some... spatial coverage, see Table 1); moreover, CryoSat-2 has other important advantages, for... with CryoSat-2 observations. Published study results show that performance of CryoSat-2 achieves... the application application of of CryoSat-2 CryoSat-2 altimetry altimetry data dataover overinland... of satellite radar andprovide provideaaCryoSat-2 CryoSat-2mission mission overview. Then, present... of CryoSat-2 in hydrological applications. prospects of potential use of CryoSat-2 in... mode implemented implemented on on CryoSat-2. CryoSat-2. In Ingeneral, general,waveforms waveformsreturned... with a mean altitude, inclination [44]. CryoSat-2’s isisnon-sun-synchronous with a mean... Track 3.3. Ground AsTrack already mentioned, CryoSat-2’s orbit is long-repeat (geodetic... the exception of CryoSat-2, all satellite As already mentioned, CryoSat-2’s orbit is... CryoSat-2 a period of 16 Main: days. Figure 5. Ground Ground tracks of CryoSat... pulse is LRM on onCryoSat-2 CryoSat-2isisthe theconventional conventionalpulse-limited pulse... CryoSat-2. one providing L3 water levels (along-track product) derived from CryoSat... chart of CryoSat-2 data processing. processing. 5. Use of CryoSat-2 over Lakes CryoSat-2, due... and storage variations analysis using CryoSat-2 data. 5.1. Time Series Construction Unlike... of 20 5. Use of CryoSat-2 over Lakes CryoSat-2, due to its special... and storage variations analysis using CryoSat-2 data. 5.1. Time Series Construction Unlike... are contaminated by land. (A) (B) Figure 8. CryoSat-2 ground tracks over Taro Co... on multiple data sources including Cryosat-2 using an iterative reweighted linear... [20]. 6. Use Use of of CryoSat-2 CryoSat-2 over over Rivers Rivers 6. In... driftingground groundtrack trackpattern patternof ofCryoSat-2 CryoSat-2challenges challengescommon commonways waysof ofdealing... a predominantly north–south direction [49]. CryoSat-2 however has a much finer inter... a predominantly north–south direction [49]. CryoSat-2 however has a much finer inter... and quality of the extracted CryoSat-2 water level henceobservations. improve the... of the extracted CryoSat-2 water level observations. Figure 10. CryoSat-2 SARIn data... by CryoSat-2. displaying the river water level profile observed by CryoSat-2. Besides... the spatiotemporally distributed observations of CryoSat-2 onto certain points (e.g., virtual stations... spatio-temporally distributed observations of CryoSat-2 onto certain points (e.g., virtual stations... CryoSat-2 data over the Ganges and Brahmaputra rivers. They interpolated the CryoSat... a reasonable agreement between Envisat and CryoSat-2 data. However, such simple interpolation...-temporal interpolation of the scattered CryoSat-2 observations to obtain continuous water.... Simple spatio-temporal interpolation of CryoSat-2 water level observations can be... station time series. To assimilate CryoSat-2 data, a flexible modelling-data assimilation... be ingested. 7. Discussion and Perspectives CryoSat-2, with its SIRAL altimetry instrument..., CryoSat-2 shows great advantages over other missions in lake level monitoring. CryoSat... to mean water level. Therefore, CryoSat-2 shows16great Water 2017, 9,precision 211... for allows CryoSat-2, suchhigh-resolution as new approaches densification of CryoSat-2 grounddeveloped... of theassimilation techniquesapproach, developedCryoSat-2 for CryoSat-2 data, as update flexiblehydrodynamic data... applications of CryoSat-2 over lakes and rivers have been summarized. CryoSat-2 can..., L.; Andersen, O.B.; Villadsen, H.; Knudsen, P. Validation of CryoSat-2 SAR mode based lake levels...] Villadsen, H.; Andersen, O.B.; Stenseng, L.; Nielsen, K.; Knudsen, P. CryoSat-2 altimetry for river level monitoring..., R.; Hendricks, S.; Helm, V.; Gerdes, R. Classification of CryoSat-2 radar echoes. In Towards an..., H.; Madsen, H.; Bauer-Gottwein, P. Application of CryoSat-2 altimetry data for river analysis... Agency. Mullar Space Science Laboratory CryoSat Product Handbook; European Space Agency...–1116. [CrossRef] European Space Agency. CryoSat Level-2 Product Evolutions and Quality..., P.; Laxon, S.W.; Mallow, U.; Mavrocordatos, C.; et al. CryoSat: A mission to determine the fluctuations.... [CrossRef] Kleinherenbrink, M.; Ditmar, P.G.; Lindenbergh, R.C. Retracking Cryosat data in the SARIn mode... Tibetan Plateau from ICESat and CryoSat-2 altimetry and station observations. Sci..., N.; Shepherd, A.; Cullen, R.; Trouvé, E. Evaluation of CryoSat-2 for height retrieval over the..., P.; Boy, F.; Picot, N.; Benveniste, J. Applications of CryoSat-2 SAR & SARIn modes for the...-Gottwein, P. Combining Envisat type and CryoSat-2 altimetry to inform hydrodynamic models...



Дата загрузки: 2017-05-21
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0.28/5
... continental waters) ESA – CryoSat Satellite • Launched in 2010, CryoSat carries a radar altimeter... of its near-polar orbit, CryoSat can survey coastal and highlatitude... capability of previous altimeter missions • CryoSat is extending the 20-year... (3) years of observations by ESA’s CryoSat satellite show that the West... ten (10) different satellite missions • CryoSat identified major ice loss from...://www.esa.int/Our_Activities/Observing_the_Earth/CryoSat/Antarctica_s_ice_loss_ on_the_rise • Boening, C., Willis, J., Landerer...



Дата загрузки: 2016-11-21
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0.13/5
... ARTICLE 1 V.09 September, 2011 Title Cryosat-2: Doris Instrument and System Description... Other information (www.cnes.fr) CRYOSAT-2: DORIS INSTRUMENT AND SYSTEM DESCRIPTION... data. Specific characteristics of DORIS / CryoSat-2 are also detailed. The major... data are provided. Then DORIS / CryoSat specifics are detailed. Finally the..., Jason-1, ENVISAT, SPOT5, Jason-2 and Cryosat-2 have driven significant evolutions of... third part is devoted to CryoSat. 2. THE DORIS SYSTEM AND PRODUCTS... AOCS pointing algorithms (e.g. Pléïades, CryoSat),  on-board use of geodetic...) and of the ENVISAT and CryoSat ESA missions for their altimetry... of a few microseconds. On-board CryoSat-2, a J2000 estimate of position/velocity.... 4. CRYOSAT-2 AND DORIS 4.1 ON-BOARD USE OF DORIS : On-board CryoSat-2, DORIS... central time reference on board CryoSat. The accuracy with which DORIS... respect to TAI. For the CryoSat mission, inertial J2000 on-board... Control System (AOCS). This informs Cryosat-2 about its position, in an... altimeter data. 4.2 FIRST MONTHS RESULTS : CryoSat-2 was launched on April 8, 2010...-reinitialisation and a 1 hour unavailability of CryoSat-2 on-board products (not for..., SPOT5, Jason-1, JASON-2, ENVISAT and Cryosat-2, the DORIS system has today...-years on-orbit. On-board CryoSat-2, real-time J2000 estimates and...



Дата загрузки: 2017-04-09
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0.04/5
... . . . . . . . . . . . . . . . . . . . . 2.1.4 Solar radiation pressure model of Cryosat-2 . . . . . . . . 2.1.5 Antenna phase center definitions . . . . . . . . . . . . . . . 2.1.6 Satellite... Cryosat-2 . . . . . . . . . 2.2.1 SLR-only and DORIS-only solutions . . . . . . . . . . . . . 2.3 External Orbit validation of Cryosat... the commissioning phase of the Cryosat-2 mission which was successfully launched... section 2.2 we report on the Cryosat-2 POD results obtained with the.../A&S , worked on the validation of Cryosat-2 orbits which are determined by... orbit determination at DEOS/A&S for Cryosat-2 is performed with the help... section 2.1.2, the attitude model of Cryosat-2 is discussed in section 2.1.3, the... precision orbit determination infrastructure for Cryosat-2 is as follows: 4 WP 310... and SLR information related to Cryosat-2 from public internet sources. The... ESA repositories dedicated to the Cryosat-2 commissioning phase. MOE and POE... ftp to cryo-tudelft@calvalpds.cryosat.esa.int. Spacecraft mass and.... During the development phase for Cryosat-2 we encountered some issues with..., this model is implemented during Cryosat’s commissioning phase for DORIS stations... fixed coordinate frame (SBF) of Cryosat-2 is nominally in a 6 degree pitch... star trackers on board the Cryosat-2 satellite provides quaternions in its... model of Cryosat-2 The solar radiation pressure (SRP) model of Cryosat-2 is... 2.1.1. 2.2 Precision orbit determination results for Cryosat-2 Given the fact that the... 2.2 Precision orbit determination results for Cryosat-2 7 concentrate on the time frame... of the cube corner on Cryosat-2. ILRS tracking station number 1893... consider if for some reason Cryosat-2 would ever lose DORIS tracking... ERS-1. 2.3 External Orbit validation of Cryosat-2 During the commissioning phase the... in the operational phase of Cryosat-2. Our recommendations for further research... or improve accuracy of the Cryosat-2 orbits by means of minimization... Cd of Cryosat-2 which depends on the shape of Cryosat-2. The thermosphere... capture the accelerations seen by Cryosat-2 as a result of thermospheric density... calibration and validation of the CryoSat-2 Ocean product, or Low Resolution... as WP 520 in the ”CryoSat-2 Precise Orbit Determination and Indirect... of systematic errors in the CryoSat-2 LRM observations, first estimation of... with CryoSat-2 included For this we have the following inputs: CryoSat-2 infrastructure... analysis and dual-satellite crossovers, i.e. CryoSat-2 crossings with other satellites). Verification... transferring and by that converting CryoSat-2 LRM Level-2 data to the... of SIRAL - Commissioning Phase Status CryoSat-2 LRM data: data field contents... SIRAL LRM data Figure 3.3 Status CryoSat-2 LRM data continued: remaining data... of SIRAL - Commissioning Phase Figure 3.4 CryoSat-2 LRM geographical data coverage. Left... right panel: the path the CryoSat satellite has followed, starting in...: surface anomaly compared Figure 3.6 27 CryoSat-2 sea surface anomaly comparison with... the sea surface anomaly from CryoSat-2 (CS) with that from Envisat...’t operate at the extreme latitudes CryoSat-2 does. We also introduce 28... Global sea surface anomaly for CryoSat-2 and Envisat with either SSB... a relative bias between Envisat and CryoSat-2 of -3.86m. Notice that the... is found, which translates into a CryoSat-2 range bias of -3.72m. From... we then also edit the CryoSat-2 anomalies and reject measurements for... similar sea level anomalies for CryoSat-2 and Envisat, which encourages us... improvement of the CryoSat-2 data, also for ocean applications. CryoSat-2 could become... measurement for these available on CryoSat, that is no dual-frequency... as WP 530 in the ”CryoSat-2 Precise Orbit Determination and Indirect... used for absolute calibration of CryoSat-2 SIRAL LRM Level-2 data (left... like near Hawaii. Inter-comparing CryoSat-2 with different radar altimetric and... Lakes. Assessing the (detectability of) CryoSat-2’s orbital drift and establishing an..., Jason, Envisat, T/P, ERS-2, and now CryoSat-2. Absolute calibration of altimeters is... gauges Figure 4.2 33 Geometry for CryoSat-2 relative tide gauge calibration with... - Commissioning Phase Direct comparison of CryoSat-2 compressed sea surface anomaly (black.... The black dots represent the CryoSat altimeter results: they are based... concerned but not worried about CryoSat’s usability in ocean applications. As... tide gauge assisted calibration in CryoSat’s Operational Phase. 4.4 Tide gauge calibration... in a new round of investigations. CryoSat-2 comparison with tide gauges near...-calibration with Envisat, viz. ≈ 3.8m. CryoSat-2 comparison with tide gauges near... therefore recommend. Bibliography ACSL1b (2009), Cryosat ground segment instrument processing facility...-gs–5106), ESA. ACSL2 (2009), Cryosat ground segment instrument processing facility..., TER-STRICD-001. Francis, R. (2005), CryoSat reference information, CS-TN-ESA... of the laser retroreflector array cryosat-lrr-02, issue 1.0, c2-dd..., B.A.C. Ambrosius, C.K. Shum, and A. Braun (2009), Cryosat-2 precise orbit determination and indirect...



Дата загрузки: 2017-04-24
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0.25/5
.... CC Attribution 3.0 License. Application of CryoSat-2 altimetry data for river analysis... their repeat orbits cross rivers. CryoSat-2 is equipped with a new type... in hydrologic–hydrodynamic models. However, CryoSat-2 altimetry data provides an unprecedentedly... paper suggests a procedure to (i) filter CryoSat-2 observations over rivers to extract... section of the Brahmaputra River, CryoSat-2 data and Envisat virtual station... drifting-orbit radar altimetry mission CryoSat-2 can be used in combination... R. Schneider et al.: Application of CryoSat-2 altimetry data for river analysis... SARIn mode of CryoSat-2). Map inset: ground tracks of CryoSat-2 (yellow) and... in hydrology. Neither apply to CryoSat-2: its drifting orbit results in... a comparison of the Envisat and CryoSat-2 ground tracks). A good example for... and hydraulically, including data from CryoSat-2. The hydraulic link, however, is.... Sci., 21, 751–764, 2017 CryoSat-2 data gives a more accurate representation.../ R. Schneider et al.: Application of CryoSat-2 altimetry data for river analysis... R. Schneider et al.: Application of CryoSat-2 altimetry data for river analysis... from both CryoSat-2 and Envisat exist. 3 3.1 Data and methods CryoSat-2 satellite altimetry... European Space Agency (ESA) launched CryoSat-2, a Synthetic Aperture Rader (SAR) satellite... conventional altimeters on a repeat orbit. CryoSat-2 is operating in three modes... gauging station Bahadurabad. 3.1.1 Filtering of CryoSat-2 data – river mask In the.../ R. Schneider et al.: Application of CryoSat-2 altimetry data for river analysis... entire Brahmaputra River covered in CryoSat-2’s SARIn mode, 32-day composites.... 3.1.2 Projecting CryoSat-2 data into model space In order to filter CryoSat-2 data... procedure is displayed in Fig. 2. CryoSat-2 observations are first filtered over... 3.3 3.3.1 R. Schneider et al.: Application of CryoSat-2 altimetry data for river analysis... absolute average water levels to CryoSat-2 observations Step 2: calibration of cross.../ R. Schneider et al.: Application of CryoSat-2 altimetry data for river analysis... accurately simulate water levels. As CryoSat-2 observations will occur along the... to insufficient altimetry data from CryoSat-2 and Envisat available for the... along river to observations from CryoSat-2 Reference height Figure 4. Sketch of... levels The drifting orbit of CryoSat-2 allows derivation of average water... standard error of CryoSat-2 altimetry data. Besides that, the CryoSat-2 data are... water-level profile observed by CryoSat-2. 3.4.2 Step 2: cross-section calibration using... R. Schneider et al.: Application of CryoSat-2 altimetry data for river analysis... Water level from CryoSat-2 data The filtering of CryoSat-2 data over the... line. After outlier filtering, 3836 CryoSat-2 observations remain. Figure 5 displays longitudinal.... Note that in this context CryoSat-2’s measurement footprint area is 0.5 km2...), making it more likely for CryoSat-2, especially over challenging terrain, to... adjusted according to the terrain. CryoSat-2’s closed-loop control in SARIn.../ R. Schneider et al.: Application of CryoSat-2 altimetry data for river analysis... absolute average water levels to CryoSat-2 observations 24 cross-section datums... upstream to downstream RMSE between CryoSat-2 observations and average simulated water... from 2002 to 2010 Figure 5. CryoSat-2 observations along the Brahmaputra River...-filtered data. Table 2. Number of CryoSat-2 observations and outliers over the... as Assam Valley. All CryoSat-2 observations Outliers Filtered CryoSat-2 observations 4.2 Entire Brahmaputra... R. Schneider et al.: Application of CryoSat-2 altimetry data for river analysis... do not accurately represent the CryoSat-2 observations. After calibrating the cross... average water level follows the CryoSat-2 observations more closely. The calibration... average simulated water level and CryoSat-2 observations from 3.1 m for the reference.../ R. Schneider et al.: Application of CryoSat-2 altimetry data for river analysis... Avg. water level calibrated model CryoSat-2 data Cross-section datums reference... R. Schneider et al.: Application of CryoSat-2 altimetry data for river analysis... started incorporating CryoSat-2 data in their multi-mission product. Still, CryoSat-2 river... Interferometric Capabilities of the ESA CryoSat-2 Mission to Improve the Accuracy.../ R. Schneider et al.: Application of CryoSat-2 altimetry data for river analysis... of CryoSat-2 for height retrieval over the Himalayan range, in: CryoSat-2 third... and Mullar Space Science Laboratory: CryoSat Product Handbook, 2012. García-Pintado... R. Schneider et al.: Application of CryoSat-2 altimetry data for river analysis..., O. B., Villadsen, H., and Knudsen, P.: Validation of CryoSat-2 SAR mode based lake levels.../jwarp.2012.42008, 2012. Scagliola, M.: CryoSat footprints – Aresys Technical Note, available..., H., Andersen, O. B., Stenseng, L., Nielsen, K., and Knudsen, P.: CryoSat-2 altimetry for river level monitoring..., G., Rey, L., Rostan, F., Viau, P., and Wallis, D. W.: CryoSat: A mission to determine the fluctuations...



Дата загрузки: 2017-04-24
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.... CC-BY 3.0 License. Application of CryoSat-2 altimetry data for river analysis... their repeat orbits cross rivers. CryoSat-2 is equipped with a new type... in hydrologic-hydrodynamic models. However, CryoSat-2 altimetry data provides an unprecedentedly... paper suggests a procedure to i) filter CryoSat-2 observations over rivers to extract... section of the Brahmaputra River, CryoSat-2 data and Envisat virtual station... drifting-orbit radar altimetry mission CryoSat-2 can be used in combination.... Both does not apply to CryoSat-2: Its drifting orbit results in... a comparison of the Envisat and CryoSat-2 ground tracks). A good example for... issues were handled by filtering CryoSat-2 Level 2 altimetry data over a dynamic... with the new data from CryoSat-2 were used. Envisat data, like... where sufficient data from both CryoSat-2 and Envisat exist. 3 Hydrol. Earth...-BY 3.0 License. 3 3.1 Data and methods CryoSat-2 satellite altimetry data for rivers... European Space Agency (ESA) launched CryoSat-2, a Synthetic Aperture Rader (SAR) satellite... inland waters. 5 The data from CryoSat-2 are unique due to i) the... conventional altimeters on a repeat orbit. CryoSat-2 is operating in three modes... for this study are Level 2 CryoSat-2 altimetry provided by the National.... For this work, data from CryoSat-2 are used from the beginning... station Bahadurabad. 25 3.1.1 Filtering of CryoSat-2 data – river mask In the... of small inland water bodies, CryoSat-2 data, like any SAR altimeter... et al., 2009) used with CryoSat-2 data over the Brahmaputra and... cannot easily be applied to CryoSat-2 because of its drifting orbit... for correct filtering of the CryoSat-2 altimetry data. This river mask... entire Brahmaputra River covered in CryoSat-2’s SARIn mode, 25 where all.... 3.1.2 Projecting CryoSat-2 data into model space In order to filter CryoSat-2 data... this work, the points of 5 CryoSat-2 observations have to be projected... procedure is displayed in Figure 2. CryoSat-2 observations are first filtered over... river line affects where the CryoSat-2 observations are mapped to the... accurately simulate water levels. As CryoSat-2 observations will occur along the... to insufficient altimetry data from CryoSat-2 and Envisat available for the... levels The drifting orbit of CryoSat-2 allows derivation of average water... standard error of CryoSat-2 altimetry data. Besides that, the CryoSat-2 data are... water level profile observed by CryoSat-2. 3.4.2 Step 2: Cross section calibration using... Water level from CryoSat-2 data The filtering of CryoSat-2 data over the... outlier filtering was performed, excluding CryoSat-2 values which deviate more than... line. After outlier filtering, 3868 CryoSat-2 observations remain. Figure 5 displays longitudinal... et al., 2007). All the CryoSat-2 data 8 Hydrol. Earth Syst. Sci.... Note in this context that CryoSat-2’s measurement footprint area is 0.5 km2...), making it more likely for CryoSat-2, especially over challenging terrain, to... adjusted according to the terrain. CryoSat-2’s closed-loop control in SARIn..., it can be seen that CryoSat-2 captures some details in the... 1200 in Figure 5. And the CryoSat-2 data give an idea of.... It can be concluded that CryoSat-2 altimetry data can be used... do not accurately represent the CryoSat-2 observations. After calibrating the cross... average water level follows the CryoSat-2 observations more closely. The calibration... average simulated water level and CryoSat-2 observations from 3.1 metres for 20... studies demonstrating how to use Cryosat-2 type radar altimetry data in... started incorporating CryoSat-2 data in their multi-mission product. Still, CryoSat-2 data... developed and applied to the CryoSat-2 data. This procedure took the... Interferometric Capabilities of the ESA CryoSat-2 Mission to Improve the 10... of CryoSat-2 for height retrieval over the Himalayan range, in CryoSat-2 third... and Mullar Space Science Laboratory: CryoSat Product Handbook. [online] Available from..., O. B., Villadsen, H. and Knudsen, P.: Validation of CryoSat-2 SAR mode based lake 10.../jwarp.2012.42008, 2012. Scagliola, M.: CryoSat footprints - Aresys Technical Note. [online..., H., Andersen, O. B., Stenseng, L., Nielsen, K. and Knudsen, P.: CryoSat-2 altimetry for river level monitoring..., G., Rey, L., Rostan, F., Viau, P. and Wallis, D. W.: CryoSat: A mission to determine the fluctuations... SARIn mode of CryoSat-2). Map inset: Ground tracks of CryoSat-2 (yellow) and... the Landsat river mask, the CryoSat-2 observations and their mapping to...(s) 2016. CC-BY 3.0 License. Figure 5: CryoSat-2 observations along the Brahmaputra River... absolute average water levels to CryoSat-2 observations Step 2: fitting amplitude of... downstream Objective function RMSE between CryoSat-2 observations and average simulated water... section angles Table 2: Number of CryoSat-2 observations and outliers over the... as Assam Valley. all CryoSat-2 observations outliers filtered CryoSat-2 observations entire Brahmaputra...



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... [3‐1‐1] ........................................................................................... 66  CryoSat: the Ice Explorer 1 [3‐1‐2] .............................................................................................. 66  CryoSat: the Ice Explorer 2 [3‐1‐3] .............................................................................................. 67  CryoSat: beyond... Altimetry: Glaciology .................................................................................................. 88  Wed‐P‐04 CryoSat ....................................................................................................................... 88  Wed‐P‐05 S2/S3... sensor &  product  characterisation  2 14:10 CryoSat: the Ice  Explorer 2 Currents &  Ocean... sensor &  product  Subsidence &  characterisation  Landslides 2 1 CryoSat: beyond  the Ice Mission Oil... and Dynamic Topography ‐ Altimetry: Glaciology ‐ CryoSat ‐ S2/S3  sensor and product...:  Geoscience  results from ERS‐1 to CryoSat   D.  McAdoo  (1)  S.  Farrell  (1)  A.  Ridout  (2)  K.  Giles  (2)  H.  Zwally... for the Calibration of Sentinel‐3, Cryosat‐2, and  Jason Missions with a Transponder... HY‐2A with Jason‐2 and CryoSat‐2  C.  Martin‐Puig  (1)  B.  Martinez‐Val  (1)  J.  Yang...  Simulated Raw and In‐Orbit CryoSat Data  M. Roca (1) R. Escolà (1) A. Garcia‐Mond... using  Simulations and in Orbit CryoSat Data  R. Escolà (1) C. Martin‐Puig (2) A. Garcia...  2‐P‐179 Level1b Performance Evaluation on CryoSat Products  M. Scagliola (1) M. Fornari (2) N. Tagliani (1) 1: Aresys... September 10, from page 50  CryoSat: the Ice Explorer 1 [3-1-2] 11 September...:50    11:10    11:30      CryoSat:  ESA's  Ice  Explorer  Mission:  Three... of the Arctic Ocean using  CryoSat & GOCE  S. Thomas (1) K. Giles (1) R. Bingham (2) A. Ridout...  & Modelling, GB 2: Newcastle University, GB  CryoSat‐2  Sea  Ice  Freeboard  and  Thickness..., DK 4: European Space Agency, NL  CryoSat‐2 Validation using CryoVEX 2011‐12... Location from Differential Interferometry and  CryoSat‐2  A. Hogg (1) A. Shepherd (1) M. McMillan (1) 1: University of... Living Planet Symposium – Programme Guide CryoSat: the Ice Explorer 2 [3-1-3] 11 September...  Elevation  Change  ‐  Preliminary  Analysis  of  CryoSat‐2  Data   K. Briggs (1) A. Shepherd (1) M. McMillan (1) F. Ticconi... of  Leeds, GB 2: UCL, GB  Cryosat LRM processing over Antarctica  D. Blumstein... an Antarctic Subglacial Lake from CryoSat Interferometric Altimetry  M. McMillan (1) H. Corr (2) A. Shepherd...  Regional  Glacial  Isostatic  Adjustment  and  CryoSat  Elevation  Rate  Corrections  in  Antarctica... Lab. for Satellite Altimetry, US  Cryosat‐2 Altimeter Performance Assessment Over Ocean... Gravity Field. The impact of Cryosat‐2 and  Jason‐1 "Geodetic Mission" Data... (2) 1: DTU Space,  DK 2: NGA , US  CryoSat‐2 SARin Mode for Coastal Altimetry... Iceberg using ERS, Envisat and Cryosat Altimeter Data  J. Tournadre (1) f. Girard‐Ardhuin... on HY‐2 altimeter, ENVISAT  RA2, Cryosat‐2 and Jason‐2  J.  Yang  (1)  B.  Martinez‐Val..., RU  Wed-P-04 CryoSat 3‐P‐42  Estimating  Pitch  Angle  of  CryoSat‐2,  Using  the..., US 2: NERC,  U.K  3‐P‐43 A Toolkit for CryoSat Investigations by the ESRIN EOP... Planet Symposium – Programme Guide 3‐P‐44 Cryosat‐2 Calibration and Validation Results  M.  Naeije...  3‐P‐45  Reprocessing  of  Envisat  and  Cryosat  Precise  oObits  at  CNES  :  Results... (1) A. Couhert (1) S. Houry (1) 1: CNES, FR  3‐P‐46 CryoSat‐2 SIRAL Calibration and Performance  M.  Fornari...  4:  isardSAT,  PL  5:  isardSAT, ES  3‐P‐47 CRYOSAT‐2 ‐ SIRAL FBR, STACK & L1B Calibration...  3‐P‐48 Product Quality Assessment from CryoSat's first Reprocessing Campaign   R. Mannan (1) N. Mahmood..., GB 2: ESA, IT  3‐P‐49 Operational CryoSat Product Quality Assessment   R. Mannan (1) M. Wallum... Pending Anomalies and Problems in CryoSat Data Products  C.  Bouzinac  (1)  M.  Fornari  (2)  R.  Mannan... Monitoring Measurement Performance of the CryoSat SIRAL Level 2 Data Products  A. Muir... 3: ESA, IT  3‐P‐53 Interpreting Complex Cryosat Returns Received over Topography  D. Brockley... Jakobshavn Isbrae's Drainage Basin using CryoSat‐2 Data  F. Ticconi (1) M. McMillan (1) A. Shepherd (1) 1: University..., US  3‐P‐56  Gravity  Field  from  Cryosat‐2  SAR  Altimetry:  The  Merits  of... CryoSat‐2 altimetry  H. Villadsen (1) O. Andersen (1) L. Stenseng (1) 1: DTU Space, DK  3‐P‐58 Validation of CryoSat... 3‐P‐60 Operational Ocean Applications of CryoSat‐2 Fast‐Delivery Altimetry  J. Lillibridge (1) R. Scharroo...  3‐P‐61  Cryosat  Plus  for  Oceans:  User  requirements,  Assessment  of  Cryosat‐2  Data,  and... de  Oviedo, ES  A review of CryoSat‐2/SIRAL applications for the monitoring... 4‐P‐34 Instrument Processing Facility for CryoSat Ocean Products  S. Urien (1) J. Dumont (1) M. Guibbaud...  Three  Parameter  Waveform  Retracking  of  Cryosat‐2  and  Jason‐1  LRM  Waveforms For... Global Marine Gravity Accuracy from CryoSat, Envisat, and Jason‐1  D.  Sandwell  (1)  E.  Garcia...), DE  Retracking  Jason‐1  GM  and  Cryosat‐2  LRM  Waveforms  for  Regional  High...



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CryoSat New satellites for monitoring the ... improved with the launch of CryoSat in 2005. Laser altimetry, which... area. Page 8 © Nordic Space Activities CryoSat Global Monitoring Precision Image Wide... Wide Swath product specifications. CRYOSAT The CryoSat mission was selected, in... Mission series. The goals of CryoSat are to measure variations in... operation time for CryoSat. The primary instrument on CryoSat is a radar altimeter... thickness estimates. Figure 2. Illustration of CryoSat measurements over sea ice. The... is currently member of ESA’s CryoSat Science Advisory Group. Published about... books. © Nordic Space Activities Page 9 CryoSat a b Fig. 3. Principle Operation Modes of...://www. esa.int/export/esaLP/cryosat.html a b Figure 4. a) RADARSAT image of... will be a complementary satellite to CryoSat, because laser and radar altimeters... the glacier at the inner CryoSat (red) profile and the... SAR and altimeters from ENVISAT, CryoSat and IceSat is expected to...