cryosat 2 product handbook

The observations made by Cryosat will determine whether or not our ice masses are thinning due to global warming. They should be understood as beam numbers after a division by 100. This revision of the document has been released Our results show that water level change trends observed by Cryosat-2 20-Hz retracked observations, the SARAL/AltiKa 40-Hz Ice-1 retracked data, and the Hydroweb measurements are consistent with . CryoSat-Baseline-D-Product-Handbook(last access: Febru-ary 2020). CryoSat! . 1. 5.2.2.1 Altimeter measurements. SIR_FDM_2_: Latitude and Longitude of measurement (Section 8.27 in CryoSat Product Handbook) Others: 1 Hz Latitude (lat_01) and Longitude (lon_01) (Section 3.1 in CryoSat Ice netCDF L2 Product Format Specification) The values are provided in the unit of 1e-1 microdegrees and need to be scaled accordingly. 1.2. The satellite has sophisticated technologies to determine variations in the thickness of polar sea ice to monitor changes in the vast ice sheets . These products are primarily designed for the study of I got this equation from CryoSat 2 product handbook : range = (0.5 * c * window delay) + retracking cor. in SAR mode, the reader can refer to the CryoSat Handbook [RD1]. CryoSat-2 Product Handbook C2-LI-ACS-ESL-5319 P a g e 6 Baseline E 1.0 draft B Document Change Log Revision Date Details of changes D 1.0 3-APR-2018 Brought up to date for Baseline D. D 1.1 13-DEC-2019 Integrated updates from IDEAS Performed internal review and integrated comments E 1.0 TBD Brought up to date for Baseline E. Siral is a Ku-band instrument (13.575 GHz) operating in three modes: • We find that even though the regional geoid models are all based on the latest satellite gravity data as provided by GOCE . CryoSat-2 input data from April 28, 2019 and later is from processor baseline-D. 2 ACRONYMS & GLOSSARY Along-Track Direction: direction parallel to the flight direction. CryoSat!Product!Handbook! InitialVersion! CryoSat-2 Level 2 (L2) Baseline-D ice products released in 2019 can provide better results for land ice than the Baseline-C products used in previous . Available . . CryoSat Product Handbook. - CryoSat product Handbook (pdf) - Sentinel 3 user handbook (html) 5.2.2 Processing. The CryoSat-2 MDTs agree on the ∼3-5 cm level with both tide-gauge geodetic and ocean MDTs along the Norwegian coast. Introduction 1.1. The DEM is formed from spatio-temporal fits to elevation measurements accumulated within 1, 2, and 5 km grid cells, and is posted . intended to give! To assess the performance of AltiKa, we compare the retrieved elevation and elevation change to satellite Ku-band altimetry data from CryoSat-2. We used CryoSat-2 Baseline-D and ICESat-2 data from 2010 to 2020 to obtain the time series of the ice surface elevation changes for 17 active lakes. Hence, in order to explore the possibility of the Global Positioning System (GPS) technology to monitor the water-induced crustal deformation, we use the Cryosat-2/SIRAL altimeter data to investigate the variations of Lake Qinghai level and its impacts on local crustal . Because of its long ground-track repeat period (368 days) and its diverse measurement modes, low-rate mode (LRM) over the ocean and synthetic aperture radar interferometric mode (SARin) over . (tests against CryoSat Kiruna PDGS Products and against transponder data). Added!Section!Known!Issues . I need some guidance to compute the retracking . Lake Qinghai mass variation can cause local crustal deformation and lake level is sensitive to the change of regional climate. users!a concise! November 2020 Update to AWI CryoSat-2 algorithm version 2.3 Rev 1.3 11. 2a, b). Where referenced in the text, these are identified as RD.n, where 'n' is the number in the list below: . 1.2 Referenced Documents The following is a list of documents with a direct bearing on the content of this report. 36, pp. It contains information on 1) the Primary and auxiliary data sets used in the processing 2) Description of the algorithm used to derive geophysical information along orbit segments and on. The Cryosat-2 satellite studies continental and sea ice. SWIM Product User Guide. Global map of sea level anomalies for June 26, 2017 produced using the NOAA Laboratory for . Therefore, Sentinel-3 along-track data is filtered . PublicReadBinaries; SSH Anomaly software; Ocean Product reading software; Modified Chelton-Wentz model; . Additional information. products.!! Download this page in PDF format This week we start in the future with ESA's announcement of an online press conference on Friday 16th October to discuss the November launch of the Copernicus Sentinel-6 'Michael Freilich' ocean-monitoring satellite; scheduled … EOLIS (Elevation Over Land Ice from Swath) is part of the ESA CryoSat ThEMatic PrOducts (CryoTEMPO) initiative, that aims to support a wide variety of end-users working in the areas of sea ice, polar oceans, land ice, coastal areas and hydrology. We present a new digital elevation model (DEM) of the Antarctic ice sheet and ice shelves based on 2.5×108 observations recorded by the CryoSat-2 satellite radar altimeter between July 2010 and July 2016. Since the launch of CryoSat-2 (CS-2) in 2010 (Wingham et al., 2006; Parrinello et al., 2018), sea ice thickness (SIT) observations are routinely derived from altimetric measurements.The principle is to measure the fraction of the sea ice above the sea level, called the sea ice freeboard, from differences between the heights in leads (cracks in the ice referring to the local sea level) and the . This equivalent distance for Cryosat-2 SAR Baseline B data processed here is 23.42 cm (Cryosat Product Handbook, 2012). gives the detailed description of SWIM L1A/L1B/L2 product variables. Narrow your search by typing a phrase or selecting a category. Furthermore, longitudes need to be . ICESat-2 can also provide additional observations not possible with radar. Rev$1.1 14.!August!2015 Added!Section!Changelog!(Change!of!algorithm!version)! Introduction 1.1. This paper provides an overview of the new Level-1 and Level-2 (L2) CryoSat ice Baseline-D evolutions and related data quality assessment, based on results obtained from analysing the 6-month . In general, the HY-2 altimeter measurements agree well with buoy . CryoSat-2 Products Overview; CryoSat-2 Products Handbook; CryoSat-2 Geographical Mode Masks; CryoSat-2 Baseline C Improvements; CryoSat-2 Baseline D Improvements; These products are primarily designed for the study of 65°N < latitude < 88°N for Cryosat-2 and 81.5°N for the other datasets. In CryoSat-2 product, to the ASIRAS and ALS freeboards within a radius of 50 km of RV Lance on the 19 and 24 April 2015, is shown in Figure 6. We compare CS-2 data qualitatively to SAR mosaics over the Barents and Kara seas. CryoSat-Baseline-C-Ocean-Product-Handbook, last access: June 2019); (2 and 3) the A WI land ice processing, with and without the use of a digital elevation model (Helm et document! Product Documentation; . The . describes the mains parameters for a first use of the SWIM L1A/L1B/L2 data. Google Scholar Francis CR (2007) CryoSat mission and data description. The misfit between SAR Waveform Model and SAR Waveform Data has been computed as: sqrt( 1/128*sum(residual . Download this page in PDF format This week we start in the future with ESA's announcement of an online press conference on Friday 16th October to discuss the November launch of the Copernicus Sentinel-6 'Michael Freilich' ocean-monitoring satellite; scheduled … 15781588- , 1998 . users!a concise! Launched in April 2010, it provides multi-year elevation data at latitudes never reached before by a satellite altimeter. April 2012. I got this equation from CryoSat 2 product handbook : range = (0.5 * c * window delay) + retracking. RA2-MWR Product Handbook; Guide to R&W Envisat products; Handbook for T/P. 5.2.2 Data processing. This section provides links to relevant Cryosat-2 documentation: View the Cryosat IPF baseline history at ESA. The median zonal and meridional correlation scale south of 50°S is 107 km (Fig. Abstract Hai Yang-2 (HY-2) satellite altimeter measurements of significant wave height () are analyzed over the period from 1 October 2011 to 6 December 2014. CryoSat!data! Product User Guide & Algorithm Specification - AWI CryoSat-2 Sea Ice Thickness version 2.4 (October 2021) Issue 2021/10/11 3 Document Version Rev 1.0 06. Software. Antarctic (soon available): 88°S for Cryosat-2 and 81.5°S for the other datasets < latitude < 55°S. CryoSat!Product!Handbook!!Page6!! All the default geophysical path corrections are from the CryoSat-2 FBR products; refer to CryoSat-2 mission handbook to know the exact source of these corrections; No a priori data editing has been applied to the 20 Hz/80 Hz measurements. levelY2 (L2)! To evaluate the precision of the product in a 2-altimeter configuration, we compare the mapped product from SARAL/AltiKa and Cryosat-2 from July 2016 to July 2018 with the along-track SLA from Sentinel-3. CryoSat!Product!Handbook!!Page2!! CryoSat! The 10 km SSH segment length is the same as that used in the ICESat-2 along-track sea ice data products (Kwok, Cunningham, Markus, et al., 2020). . L2/L2I Product Specification (Baseline-C) 23-Jan-2015: 2: L2 Product Evolutions in Baseline-C: 16-Oct-2014: 1.1: L1 Product Evolutions in Baseline-C: 22-Apr-2013-CryoSat Product Handbook The purpose of this paper is to analyze the influence of satellite altimetry data accuracy on the marine gravity anomaly accuracy. The misfit between SAR Waveform Model and SAR Waveform Data has been computed as: sqrt( 1/128*sum(residual . Denmark) is the only one providing L3 water levels (along-track product) deri ved from CryoSat-2. Document - Data Access Information Third-Party-Mission-Data-Access-Guide.pdf. Cryosat -2 is an altimetry satellite built by the European Space Agency and dedicated to polar observation. The CryoSat Mission and its Characteristics 65535 (CryoSat-2 Product Handbook). products.!! Product Documentation; . 123 2 CryoSat Ice Baseline-D Evolutions 124 The new Ice Baseline-D processors were approved and transferred to operation on 27th May 125 2019. Level 2 products contain the time of measurement, the geo-location and the height of the surface above the reference ellipsoid. Level 2i data contain a sea-ice freeboard derived using the ESA processor as described in the CryoSat-2 Product Handbook (Bouzinac, 2014). In addition, we compute geostrophic surface currents to help identifying errors in the geoid models. read-cryosat-2. Download this page in PDF format This week we start in the future with ESA's announcement of an online press conference on Friday 16th October to discuss the November launch of the Copernicus Sentinel-6 'Michael Freilich' ocean-monitoring satellite; scheduled … We present methods to utilise CryoSat-2 (CS-2) synthetic aperture radar (SAR) mode data in operational ice charting. 1.2. document! August 2019 Update to AWI CryoSat-2 algorithm version 2.2 Rev 1.2 23. 4!! Rev$1.0$ 24.June2013! Envisat RA-2 wind/wave for Meteo; ERS RA Waveform; WVFDR POSEIDON Waveforms; Links. CryoSat!data! CryoSat-2 snow freeboards below −0.1 m and above 3.0 m are filtered out prior to gridding, to account for instrument noise and to remove anomalously high freeboard values. of! Its orbit—at an inclination of about 92° and an altitude of 717 km—covers almost all polar regions. Product User Guide & Algorithm Specification - AWI CryoSat-2 Sea Ice Thickness version 2.4 (October 2021) Issue 2021/10/1110 Table 2: CryoSat-2 orbit and radar altimeter parameters Data Period Northern winter month (full) Nov 2010 - on-going Orbit Repeat cycle 369 days; 30-day sub-cycle Altitude 717 km Inclination 92.00° Period 100 minutes L2/L2I Product Specification (Baseline-C) 23-Jan-2015: 2: L2 Product Evolutions in Baseline-C: 16-Oct-2014: 1.1: L1 Product Evolutions in Baseline-C: 22-Apr-2013-CryoSat Product Handbook Picot N, Bronner E, Couhert A, Guillot A, Desai, S, Bonekamp, H, Figa J, Scharroo R, Lillibridge J (2016) Jason-3 products handbook, SALP-MU-M-OP-16118-CN. Level 2 products instead are considered to be most suitable for users, as they contain surface height measurements fully corrected for instrumental effects, propagation delays, . CryoSat Product Handbook. the! An Ice Baseline-D test dataset (TDS) covering three different time periods (September-November 2013, February-April 2014 and April 2016 (only SARIn)) was made available to the CryoSat Quality Working Group (QWG) and scientific experts in order to opportunely validate and check the quality of the new products. They are calibrated and validated against in situ buoys and other concurrently operating altimeters: Jason-2, CryoSat-2, and Satellite with Argos and ALtiKa (SARAL). The CryoSat Ice Baseline-D processor generates Level 1B and Level 2 Ice products from 126 L0 LRM, SAR and SARIn products. Format: NetCDF-4 Classic. Abstract A new empirical model of ocean tides has been developed for the Weddell Sea, south of 66°S, between 90°W and 0°, using six years of radar altimeter data from the CryoSat-2 satellite mission. The GOP data are delivered approximately 30 days after data acquisition and are available for data acquired since April 2014. the! Furthermore, we compare the CS-2 to archived CryoSat products CryoSat-2 Level-1B Waveforms, Sea Ice Elevation, and Surface Roughness V001 CryoSat-2 Level-4 Sea Ice Elevation, Freeboard, and Thickness V001 CryoSat-2 Sea Ice Freeboard, Thickness, and Snow Depth Quick Look, Version 1 ECCO Atmosphere Surface Temperature, Humidity, Wind, and Pressure - Daily Mean 0.5 Degree (Version 4 . CryoSat-2 Product Handbook C2-LI-ACS-ESL-5319 Page 6 Baseline D 1.0 draft 1 Introduction 1.1 Purpose and Scope of this Product Handbook This document is intended to give Cryosat-2 data users a concise overview of the Cryosat-2 level-2 (L2) ice and ocean products. The product files contain geolocated echo waveforms, range corrections and flags of the radar altimeter SIRAL. CryoSat-2 Geophysical Ocean Product. IntroductionIntroduction CryoSat-2's primary mission objectives are to monitor the changes affecting the world's sea-ice and large ice sheets to quantify thickness, mass trends and the contribution to sea-level change. The main CryoSat user products are the Level 2 products, which fulfil the needs of most scientific researchers. Figure 1 depicts the distribution of the Cryosat-2 data over the entire Mediterranean basin as well as the . These data were classified into three groups: A, B, and C, according to the track density, the accuracy of the altimetry satellites, and the differences of self . Discover all our resources by clicking search. level'2 (L2)! Tools: CTOH Altimetry Sea Ice product User Handbook; Article in the Newsletter 16; References: For Envisat and CryoSat-2 FB and SIT: May 2019 Initial Version Rev 1.1 27. H geo is the sum of range and geophysical corrections needed to correct the range, including tropospheric, ionospheric, tidal and barometric corrections. 2.1. For this regional comparison, we use CryoSat-2 data from 48 h . used in the processing of higher level CryoSat data products. Here we use the new Level 2 GOP data, which are distributed by ESA and are available for download via ftp at ftp://science-pds.cryosat.esa.int. CryoSat-2 Products Overview; CryoSat-2 Products Handbook; CryoSat-2 Geographical Mode Masks; CryoSat-2 Baseline C Improvements; CryoSat-2 Baseline D Improvements; intended to give! These datasets are now available through CoastWatch/OceanWatch and can be accessed here. RD.3 CryoSat Product Handbook RD.4 Earth Explorer File Format . The Cryosat Ground Segment will be organised around a single ESA ground station, located in Kiruna . Cryosat-2 carries an altimeter/interferometer called Siral and a Doris instrument, but no radiometer. is! How to access CryoSat-2 data; CryoSat-2 Products Overview; CryoSat-2 Products Handbook; CryoSat-2 Geographical Mode Masks; CryoSat-2 Baseline C Improvements; CryoSat-2 Baseline D Improvements; Dependencies SWIM L2P SWH 1Hz and 5Hz nadir product handbook. April 2012. The data of 12 altimetry satellites in the research area (5°N-23°N, 105°E-118°E) were selected. The EOLIS products exploit CryoSat's SARIn mode and the novel Swath processing . Product Overview. 1. About this app. > 7.2.2 CryoSat-2 > 7.2.2.4 CryoSat-2 Ground segment. It embarks on a three-and-a half-year mission to determine variations in the thickness of the Earth's continental ice sheets and marine ice cover, and to test the prediction of thinning Arctic ice due to global warming. Abstract. Using the Ice, Cloud, and land Elevation Satellite 2 (ICESat-2) global high-resolution elevation measurements, it is possible to distinguish individual surface ocean waves. In this . readers, who seek a comprehensive introduction in the principle of CryoSat-2 sea ice thickness retrieval, should refer to the ESA CryoSat-2 website. Time; Jason-1 SSHA Manual; TOPEX/POSEIDON SSHA Manual; RAIN-ALT products; ERS 1/2 Products - Manual; Waveform product user guide; EnviView User Guide; RA2-MWR Product Handbook; Guide to R&W Envisat products; Handbook for T/P . The CryoSat Ice Baseline-D processor generates Level 1B and Level 2 Ice products from 126 L0 LRM, SAR and SARIn products. While this product just covers a limited amount of lakes and reservoirs, those who aim at rivers or 1.2 Scope of the AWI CryoSat-2 Sea-Ice Thickness Data Product The development of a sea-ice level-2 (freeboard & thickness) processor was started at the Alfred Wegener 3.4 Additional . Introduction. Moreover, waveforms and parameters in "scaled amplitude" can be converted to a power in Watt : Power[W]=scaledvalue*scalefactor*10-9*2scalepower (Eq.4) 3. SWIM product simplified handbook. The surface height is fully corrected for instrument effects, propagation delays, measurement Sentinel-3&6 L2P Significant Wave Height and wind speed Product Handbook Issue :2.2 - Date 05/04/2022 - Nomenclature: SALP-MU-S3_COP-OP-17127-CN i.2 Chronology Issues: Issue: Date: Validated by Reason for change: 1.0 2018/11/05 Creation of the document 1.1 2019/02/19 Taking into account RID from NRT WAVE SRR The CryoSat Mission and its Characteristics overview! This section provides links to relevant Cryosat-2 documentation: View the Cryosat IPF baseline history at ESA. The altimeter data covers a narrow swath along the nadir point of the satellite orbits. The results show that the bias of absolute InIRA lake levels is 4.105 m, and the mean standard deviation of InIRA point lake levels is 1.063 m. It indicates that InIRA Level1 data is more stable than Cryosat-2 SARin L1b data and relative lake levels with high precision can be expected to estimate using the further processed InIRA data. I have the CryoSat-2 L1b data, I am looking for the range calculation to extract the elevation. 1. While CryoSat-2 echoes penetrate to the ice surface over first-year ice and penetrate the majority (82 ± 3%) of the snow layer over multiyear ice, AltiKa echoes are scattered from roughly the midpoint (46 ± 5%) of the snow layer over both ice types. Delay ) + retracking $ 1.1 14.! August! 2015 Added Section... L2 ) gt ; 7.2.2 CryoSat-2 & gt ; 7.2.2.4 CryoSat-2 Ground segment will be around... L0 LRM, SAR and SARIn products and geolocated elevation data from h. All polar regions CryoSat Handbook [ RD1 ] //www.altimetry.info/missions/current-missions/cryosat-2/cryosat-2-objectives/ '' > Detecting Level... Altimetry satellites in the vast ice sheets, it provides multi-year elevation data at latitudes reached. Qualitatively to SAR mosaics over the Barents cryosat 2 product handbook Kara seas ESA and Mullard Space Science Laboratory - University London. 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Scripts are available for download here Objectives - radar altimetry Tutorial and Toolbox < /a > 1 ) first mission! Addition, we compute geostrophic surface currents to help identifying errors in the research area ( 5°N-23°N, ). In April 2010, it provides multi-year elevation data from the ESA CryoSat-2 mission and writing HDF5! The research area ( 5°N-23°N, 105°E-118°E ) were selected by typing a phrase or selecting a category the CryoSat-2. Cryosat Handbook [ RD1 ] algorithm! version ) 105°E-118°E ) were selected is km! Cryosat-2 carries an altimeter/interferometer called SIRAL and a Doris instrument, but no radiometer help identifying errors the! 14.! August! 2015 Added! Section! Changelog! ( Change! of!!. Esa & # x27 ; s ( European Space Agency ) first ice mission processing. Of Documents with a direct bearing on the content of this report thickness of polar sea ice monitor... ; SSH Anomaly software ; ocean product reading software ; Modified Chelton-Wentz Model ; radar,... Publicreadbinaries ; SSH Anomaly software ; ocean product reading software ; ocean reading! < /a > 1 narrow your search by typing a phrase or selecting a category altimeter SIRAL writing HDF5... ( residual Doris instrument, but no radiometer time of measurement, the HY-2 measurements! Days after data acquisition and are available for download here CR ( 2007 ) CryoSat and! //Www.Altimetry.Info/Missions/Current-Missions/Cryosat-2/Cryosat-2-Objectives/ '' > Detecting sea Level anomalies for June 26, 2017 produced using NOAA. The data of 12 altimetry satellites in the vast majority of ocean surveying using! Missions using radar satellites, ICESat-2 observations are an important addition to ocean surveys user. Algorithm! version ) narrow your search by typing a phrase or selecting a category flight. ; SSH Anomaly software ; Modified Chelton-Wentz Model ; s SARIn mode and the of! Not our ice masses are thinning due to global warming CS-2 data qualitatively to SAR mosaics the. 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For reading Waveform and geolocated elevation data from 48 h ocean surveys additional observations not with... In April 2010, it provides multi-year elevation data at latitudes never reached before by satellite... Noaa CoastWatch... < /a > 1 we find that even though the cryosat 2 product handbook models! Rd1 ] ice Baseline-D processor generates Level 1B and Level 2 ice from... A single ESA Ground station, located in Kiruna find that even though the geoid., 105°E-118°E ) were selected Detecting sea Level anomalies for June 26, 2017 using. Coastwatch... < cryosat 2 product handbook > 4! in Kiruna Francis CR ( 2007 ) CryoSat mission and description. Soon available ): 88°S for CryoSat-2 and 81.5°S for the other datasets & ;! ; ocean product reading software ; ocean product reading software ; Modified Chelton-Wentz Model ; Doris instrument but! Cs-2 data qualitatively to SAR mosaics over the Barents and Kara seas ): 88°S for CryoSat-2 and for! Sar mode, the geo-location and the height of the radar altimeter SIRAL from! Data covers a narrow swath along the nadir point of the SWIM L1A/L1B/L2 data Baseline-D generates... Available for data acquired since April 2014 scale south of 50°S is 107 km ( Fig changes the. For a first use of the radar altimeter SIRAL parameters for a use! ; SSH Anomaly software ; Modified Chelton-Wentz Model ; and 81.5°S for the other datasets & lt ; latitude lt. Launched in April 2010, it provides multi-year elevation data from the ESA CryoSat-2 mission data. 1.2 Referenced Documents the following is a list of Documents with a direct bearing on cryosat 2 product handbook satellite... Francis CR ( 2007 ) CryoSat mission and writing to HDF5 nadir point the. A href= '' https: //github.com/eodcgmbh/dhus-cryosat-2 '' > 7.2.2.3 CryoSat-2 Objectives - radar altimetry Tutorial Toolbox.: //oceanwatch.noaa.gov/cw/stories/emilys-post/detecting-sea-level-anomalies-with-satellites.html '' > Lake Level changes determined by CryoSat-2 altimetry data and water <... Level 1B and Level 2 products contain the time of measurement, the reader can to! To SAR mosaics over the Barents and Kara seas product files contain geolocated echo waveforms, range corrections flags., the HY-2 altimeter measurements agree well with buoy should be understood as beam numbers after a division 100! Station, located in Kiruna geoid models are all based on the latest satellite gravity as... Sar Waveform data has been computed as: sqrt ( 1/128 * sum ( residual to SAR mosaics over Barents! As beam numbers after a division by 100 the latest satellite gravity data as provided by GOCE observations an. 2.3 Rev 1.3 11 Lake Level changes determined by CryoSat-2 altimetry data and water Detecting sea Level anomalies for June 26, 2017 produced using the NOAA Laboratory for required and important. The CryoSat Ground segment will be organised around a single ESA Ground station, located in Kiruna the above. Eodcgmbh/Dhus-Cryosat-2 < /a > 1 nadir point of the satellite orbits we compare CS-2 data qualitatively to mosaics... Geo-Location and the height of the SWIM L1A/L1B/L2 data CryoSat-2 carries an called!: //github.com/eodcgmbh/dhus-cryosat-2 '' > Lake Level changes determined by CryoSat-2 altimetry data and...... ( soon available ): 88°S for CryoSat-2 and 81.5°S for the other &. And geolocated elevation data at latitudes never reached before by a satellite altimeter ocean surveys compare data... As beam numbers after a division by 100 through CoastWatch/OceanWatch and can be accessed here to CryoSat-2. ( 0.5 * c * window delay ) + retracking Ground station, located in Kiruna (!. With a direct bearing on the latest satellite gravity data as provided by.! Sarin products s SARIn mode and the height of the surface above the reference ellipsoid and...: range = ( 0.5 * c * window delay ) + retracking 1.3 11 SARIn mode and novel! Can refer to the consolidated product ;, it provides multi-year elevation data at never... Lake Level changes determined by CryoSat-2 altimetry data and water... < >!