Спутник ДЗЗ. ASCENDS. [Редактировать]

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#НаименованияПоиск в новостяхПоиск в документах
1Active Sensing of CO2 Emissions over Nights, Days, and SeasonsНайтиНайти

Дополнительная классификация

#Наименования
1Все спутники ДЗЗ

Технические характеристики

#ХарактеристикаЗначение
1Полезная нагрузка 1xлидар CO2
2Полезная нагрузка 1xсенсор CO

Найдено 895 документов по запросу «ASCENDS». [Перейти к поиску]


Дата загрузки: 2017-05-20
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0.14/5
... 1.27 micron band for the ASCENDS mission Denis Pliutau and Narasimha... USA 21 - 23 June 2011 ASCENDS Related NPP and IIP awards... − − − − Spectrometer Based Measurements for the ASCENDS Mission” Improvements of line-by... lineshape models Modeling framework for ASCENDS Development and optimization of the... ESTO awarded NASA Langley ACES (ASCENDS CarbonHawk Experiment Simulator) IIP − PI... infused into ASCENDS effort at NASA LaRC Outline • • • • Introduction ASCENDS Program Overview Simulation framework for ASCENDS Improvements in transmission... OVER NIGHTS, DAYS, AND SEASONS (ASCENDS) – Recommended by NRC decadal survey... Emissions over Nights, Days, & Seasons (ASCENDS) Mission - To determine CO2 sources... LaRC Role Requirements and Approach • ASCENDS is identified as a medium size... currently slated for 2019 launch • ASCENDS will deliver laser based remote... CO measurements for CO2 interpretation. • ASCENDS is the logical extension of... is partnered with ITT for ASCENDS experiments Quantify global spatial distribution... of the laser based approach ASCENDS Measurements CO2 column mixing ratio... cloud clearing for soundings Overall ASCENDS modeling approach Consideration of CO2...



Дата загрузки: 2017-02-06
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0.13/5
... with the large intestine, then ascends to the lung and throat... originates at shangyang (LI1) and ascends the dorsal surface of the... intestine. The superficial supraclavicular branch ascends the anterior lateral neck and... side of the great toe, ascends along the medial side of... spleen and stomach. The meridian ascends at a distance of 4.0 cun lateral... branch leaves the stomach and ascends internally past the diaphragm and... small intestine. The cardiac branch ascends internally paralateral to the esophagus... side of the little finger, ascends the ulnar side of the... intestine. The supraclavicular fossa branch ascends superficially along the lateral side... meridian at the cheek, and ascends to the medial canthus of... medial canthus of the eye, ascends the forehead to the vertex... the liver, the meridian/channel ascends past the diaphragm along the... with the eye, and then ascends to the vertex where it... portion of the meridian/channel ascends along the midline of the... the center of perineum, and ascends the midline of the abdominal... portion of this meridian/channel ascends from chengjiang (CV24), encircling the... from the pelvic cavity and ascends the spine to the throat...



Дата загрузки: 2016-12-24
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0.19/5
... Summary...................................................................................................................................... 5 1. Introduction .............................................................................................................................................. 6 1.1 The Decadal Survey.......................................................................................................................... 7 1.2 ASCENDS Workshop....................................................................................................................... 8 2. Science & Measurement Context ........................................................................................................... 8 2.1 Science... Measurement ...................................................................... 18 3. ASCENDS Science................................................................................................................................. 19 3.1 Core Science Enabled by ASCENDS ............................................................................................ 19 3.1.1 Changes... 3.3 Summary of ASCENDS Measurement Needs .............................................................................. 33 3.4 Near-Term ASCENDS Study Priorities........................................................................................ 35... CO2 Mission Concept Study............................................................................................... 44 4.4 ASCENDS Validation Strategy ..................................................................................................... 46 4.5 Near-term..................................................................................................... 70 Appendix F: Preliminary ASCENDS Traceability Matrix ................................................................ 74 Appendix G: ASCENDS Workshop Steering Committee... by ASCENDS. These investigations directly leverage the ability of the ASCENDS lidar... advance ASCENDS mission readiness include: • • Studies of the end-to end ASCENDS..., and moisture). Acceleration of critical ASCENDS technology development, including active remote... capabilities to support validation of ASCENDS measurements. An airborne instrument simulator... technology development activities to ready ASCENDS for a Phase A mission start. 1. Introduction..., and ASCENDS mission recommendation, followed by a description of the ASCENDS workshop organization... ASCENDS mission summary from the decadal survey is included as Appendix E. 7 1.2 ASCENDS Workshop The ASCENDS workshop was held July... errors caused by atmospheric scattering. 3. ASCENDS Science Workshop participants identified numerous... for ASCENDS can be rigorously quantified. 3.1 Core Science Enabled by ASCENDS Core science themes addressed by ASCENDS include: • Shifts... by ASCENDS. These investigations directly leverage the ability of the ASCENDS lidar... effect, breakout group participants discussed ASCENDS measurement needs. Regional spatial coverage... be considered drivers for determining ASCENDS mission measurement requirements. 3.2.1 Ecosystem Behavior... CO2 budget without over-constraining ASCENDS measurement requirements, breakout group participants... the decadal survey description of ASCENDS. The ASCENDS mission’s main contribution 31... quantify science measurement requirements for ASCENDS; however, some likely measurement requirements... measurement needs suggests the following ASCENDS mission attributes: • Orbits - All investigations... (e.g., EarthCare, ACE, ASCOPE) and whether ASCENDS science and measurement requirements may... time ASCENDS launches, workshop participants strongly recommended at least one ASCENDS ground... Priorities Workshop participants recognized that ASCENDS technology development and validation needs... capabilities to support validation of ASCENDS measurements. An airborne instrument simulator... 5. Potential Space Mission Synergies The ASCENDS mission will enable exploratory investigations... validation campaign participation, would improve ASCENDS science return. Participants recognized that.... 5.2 Planned Missions & Future Concepts Potential ASCENDS synergies were identified for international... Complementary Measurements or Contributions to ASCENDS Cloud properties Freeze/thaw measurement... advance ASCENDS mission readiness include: • • • Studies of the end-to end ASCENDS..., and moisture). Acceleration of critical ASCENDS technology development, including active remote... capabilities to support validation of ASCENDS measurements. An airborne instrument simulator... – Earth Observing System’s Afternoon Constellation ASCENDS – Active Sensing of CO2 Emissions... 1040, 1046, 1024 Breakout Session I - ASCENDS Scientific Goals & Requirements / Key Investigations... F: Preliminary ASCENDS Traceability Matrix Spatial Scale Temporal Scale ASCENDS Core Science ASCENDS Enhanced... day-only passive measurement Appendix G: ASCENDS Workshop Steering Committee Membership Anna...



Дата загрузки: 2017-01-04
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0.14/5
Ken Jucks, ASCENDS PS Earth Science Decadal Survey ... over Nights, Days and Seasons (ASCENDS) Mission Science Mission Architecture/Structure... space-based CO2 observations during ASCENDS operations impact Level 1 Requirements FY09... quantify ASCENDS science impact and define preliminary science measurement requirements •  Advance ASCENDS... existing validation network to validate ASCENDS, especially night measurements 2 Workshop recommendations... advance ASCENDS mission readiness: •  Studies of the end-to end ASCENDS system..., and moisture). • Acceleration of critical ASCENDS technology development, including active remote... capabilities to support validation of ASCENDS measurements. An airborne instrument simulator... considered a key part of the ASCENDS validation infrastructure 3 Science Justification and... Core science themes addressed by ASCENDS include: • Shifts in terrestrial carbon... by ASCENDS. These investigations directly leverage the ability of the ASCENDS lidar... latitudes and at night. The ASCENDS Baseline Mission would contribute to... that may involve active sensing. • ASCENDS initial study leads include the... Michalak 5 6 7 2008 Budget and Spending • ASCENDS workshop: • infrastructure for the workshop... perform the above tasks. 8 Other ASCENDS related investments ✦  ESTO ❑  ❑  GSFC activities... all invested internal funds into ASCENDS related technology development. • Primary activity... ASCENDS workshop web site to the public. •  http://cce.nasa.gov/ascends... based. • Prioritizes tasks for achieving ASCENDS science objectives and KDP/A preparedness... that their selections related to ASCENDS went toward highest priority investments... CO2 observations during ASCENDS operations impact Level 1 Requirements ❑  ❑  ASCENDS is intended to... of simultaneous passive CO2 observations ♦  ✦  ASCENDS requirements could focus on exploratory... change, day/night, etc. Overconstrains ASCENDS measurement requirements to continue and... overlap of ASCENDS and OCO observations (2013-2016 LRD for ASCENDS) ASCENDS LRD... ASCENDS Readiness ✦  Adapt existing efforts to more autonomous airborne demonstrators for ASCENDS...



Дата загрузки: 2017-04-08
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0.04/5
... Satellite Arctic-M N2 ROSKOSMOS / ROSHYDROMET ASCENDS Active Sensing of CO2 Emissions... and O2 LIDAR (ASCENDS), CO Type: Sun-synchronous Sensor (ASCENDS) Altitude: 450...: Ascending URL: cce.nasa.gov/ascends/index.htm MLS (EOS-Aura... for cloud droplets and precipitation. ASCENDS Proposed Atmospheric chemistry Measure the... radar (ACE) NASA CO Sensor (ASCENDS) Waveband: C-band: 5.405 GHz; HH... m Accuracy: CO2 and O2 LIDAR (ASCENDS) ASCENDS Proposed Lidars KOMPSAT-5 Operational Imaging... and O2 column absorption LIDAR (ASCENDS) NASA COSI Corea SAR Instrument...



Дата загрузки: 2017-06-15
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0.11/5
... in this area. The climb ascends a brushy buttress which rises up... and I climbed this route which ascends the central part of the..., done by Barton. Lightweight Guides ascends the right side of the... Glance and Jeff Altenburg, and ascends the south face of Washington... Lembert Dome, The Dude (5. lo-), ascends the headwall above the end... by Smith and Schneider and ascends the face between Always Arches... Cocaine then moves left and ascends a smooth, difficult slab. One placement.... This bolt-protected face climb ascends a steep a&e and is a direct start... Marks (50 feet, 5.1 la), which ascends a vertical a&e with two bolts. D’Antonio... feet 5.12a). The strenuous problem ascends an overhanging comer to a bulge...



Дата загрузки: 2017-03-10
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0.19/5
... system simulation experiment for the ASCENDS Satellite Mission ACPD 1 Universities Space... over Nights, Days, and Seasons (ASCENDS) satellite mission will provide greater... suited to make use of ASCENDS observations to constrain fluxes at... conditions. We find that the ASCENDS observations could potentially reduce flux... smaller than those from a global ASCENDS inversion on a coarser grid, demonstrating... over Nights, Days, and Seasons (ASCENDS) mission recommended by the US... to quantify the ability of ASCENDS column measurements to constrain CO2... at relatively high resolution. The ASCENDS active measurement concept offers unique... providing high precision and accuracy. ASCENDS will extend coverage through its... the regional scale using simulated ASCENDS data. Regional trace gas inversions... sampling and observation errors for ASCENDS and other input data fields... the constraint on fluxes that ASCENDS observations will provide, we did... preliminary results from a companion global ASCENDS OSSE. Section 4 discusses target and... well as other considerations regarding ASCENDS. Section 5 contains concluding remarks. Full... and random error characteristics for ASCENDS pseudo-data based on real... on 1 grids (NRC, 2007). The ASCENDS observations would likely also provide... expected to represent the basic ASCENDS CO2 data granule. The uncertainties.... Examples of the coverage of ASCENDS observations available for analysis and... for the two candidate wavelengths. ASCENDS provides dense coverage over the... those used in the global ASCENDS OSSE described in this paper... global OSSE uses the same ASCENDS dataset sampling and underlying observation... the greater spatial coverage of ASCENDS as compared to the in... of our analysis for the ASCENDS design. Hungershoefer et al. (2010... results (Fig. 11a), all tested ASCENDS cases would meet the minimum... of the information in the ASCENDS observations can be applied to... of multiple wavelengths in the ASCENDS measurements, e.g., various offsets from 1.57... 25 Other considerations in evaluating ASCENDS A regional CO2 observing system simulation... to control systematic errors in ASCENDS observations and the transport model... necessary to reduce the uncertainties. ASCENDS is promising in this respect... C budget uncertainty to a minor one. ASCENDS observations could specifically be used... for North America, using projected ASCENDS observation uncertainty estimates and a novel... levels. We find that the ASCENDS observations potentially reduce flux uncertainties... certainly be available alongside the ASCENDS data (e.g. from in situ networks... a satellite lidar system similar to ASCENDS, A-SCOPE, found that the 1.6 µm wavelength... global carbon sink and feedbacks, ASCENDS observations would meet a threshold requirement... Space program element and NASA ASCENDS Pre-Phase A activity funding. We..., and R. Menzies for contributions to ASCENDS data characterization, G. J. Collatz for making... definitively establish the usefulness of ASCENDS observations for constraining fluxes at...−6 ppmv−1 h Pa−1 ) for two candidate ASCENDS wavelengths. 168 These relate differential... Figure 4. Footprint319 mapsFigure for one ASCENDS measurement location (marked by black... Footprint maps for one simulated ASCENDS measurement location (marked by black... 500– 320 with star) January 1, ASCENDS 2007 at 18 UTC, integrated... m AGL range with two candidate ASCENDS weighting functions: for the CO2...



Дата загрузки: 2017-06-16
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0.09/5
.... For each MAV kilogram that ascends back into Areosynchronous Mars Orbit... then ignite, and the MAV ascends back into the orbit from... this problem, the MAV first ascends into a 250 km circular orbit... module occurs, and the MAV ascends into a 250 km circular orbit... with the MAV when it ascends into Martian orbit. 4.5.3.2 Tank Structure... of the descending MDV and ascends into orbit. To allow this... from the MDV, the MAV ascends back into the orbit from... line of nodes, the MAV ascends into orbit, using the same... abort ascent, the MAV only ascends into a 250 km circular orbit...



Дата загрузки: 2017-05-20
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0.27/5
... the day when a Guru effectively ascends to Guruship and is installed... the day when a Guru effectively ascends to Guruship and is installed... the day when a Guru effectively ascends to Guruship and is installed... the day when a Guru effectively ascends to Guruship and is installed... the day when a Guru effectively ascends to Guruship and is installed... the day when a Guru effectively ascends to Guruship and is installed... the day when a Guru effectively ascends to Guruship and is installed... the day when a Guru effectively ascends to Guruship and is installed... the day when a Guru effectively ascends to Guruship and is installed...



Дата загрузки: 2017-05-20
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0.48/5
... performance characteristics needed for an ASCENDS system that will be capable... over Night, Days, and Seasons (ASCENDS), to dramatically increase our understanding... sources, sinks, and fluxes worldwide [1]. ASCENDS provides 1) full seasonal sampling to... important outcome of the 3-day ASCENDS community workshop held in July... advance the readiness of the ASCENDS mission. Included was a strong recommendation... current laser development addresses the ASCENDS workshop recommendation on transmitter needs... exceed the needs of the ASCENDS transmitter as currently envisioned. This..., as is the case for ASCENDS. The currently envisioned 1.57μm concepts... fiber laser-lidar suite for ASCENDS mission”, 24th International laser radar...