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Airborne Laser Scanning for calibration and validation of inshore satellite altimetry: A proof of concept

András Zlinszky, Eva Boergens, Philipp Glira, Norbert Pfeifer
2017 Remote Sensing of Environment  
Here, we show a proof of concept by comparing airborne LIDAR heights over Lake Balaton, Hungary with near-concurrent Envisat and Jason-2 altimeter heights and water level gauge data.  ...  Results show standard deviation of heights is in the order of millimeters for LIDAR and 40-50cm for altimetry and bias with respect to gauge heights is 5cm for LIDAR compared to 40cm for altimetry.  ...  Acknowledgments Airborne LIDAR data used for this study was collected in the framework of the EUFAR project under contract number 2271, by the NERC Airborne Research and Survey Facility.  ... 
doi:10.1016/j.rse.2017.04.027 fatcat:g4pegqicfzc4hot7ons2de26me

Tethered Balloon-Based Experiment of Surface Water Height Using Satellite Signals of Opportunity

Michael Lally, Matthew Chamieh, Rohan Daruwala, Van Duong, Hunter Hall, Samuel Holt, Luan Nguyen, Ramin Rafizadeh, Peter Soon Fah, Kyle Weng, Christine Yuan, Thomas Bewley (+2 others)
2020 2020 IEEE Aerospace Conference  
As an example, the Surface Water and Ocean Topography (SWOT) [8] satellite is an upcoming mission that will transmit signals and receive their reflections to collect marine and glacial climate data;  ...  The future utility of SoOp for NASA climate-data missions cannot be overstated.  ... 
doi:10.1109/aero47225.2020.9172774 fatcat:egrvze3aejebpo22gvvx4cb23e

AirSWOT measurements of river water surface elevation and slope: Tanana River, AK

Elizabeth H. Altenau, Tamlin M. Pavelsky, Delwyn Moller, Christine Lion, Lincoln H. Pitcher, George H. Allen, Paul D. Bates, Stéphane Calmant, Michael Durand, Laurence C. Smith
2017 Geophysical Research Letters  
Here we analyze new measurements of river WSE and slope from AirSWOT, an airborne analogue to the Surface Water and Ocean Topography (SWOT) mission aimed at addressing limitations in current remotely sensed  ...  AirSWOT's high-precision measurements are valuable for hydrologic analysis, flood modeling studies, and for validating future SWOT measurements.  ...  Sadowy, and the JPL and AFRC AirSWOT teams for collection and processing of the AirSWOT data, and J. Arvesen from Cirrus Digital Systems for processing the CIR imagery.  ... 
doi:10.1002/2016gl071577 fatcat:mroymasvzffedg77v7yx4qo7sq

Advancing Field-Based GNSS Surveying for Validation of Remotely Sensed Water Surface Elevation Products

Lincoln H. Pitcher, Laurence C. Smith, Sarah W. Cooley, Annie Zaino, Robert Carlson, Joseph Pettit, Colin J. Gleason, J. Toby Minear, Jessica V. Fayne, Michael J. Willis, Jasmine S. Hansen, Kelly J. Easterday (+16 others)
2020 Frontiers in Earth Science  
Collectively, these results suggest that WaSP is an easily deployed, self-contained system with sufficient accuracy for validating the decimeter-level expected accuracies of SWOT and AirSWOT.  ...  We conclude by discussing the utility of WaSP for validating airborne and spaceborne WSE mappings, present 63 WaSP in situ lake WSE measurements collected in support of NASA's Arctic-Boreal and Vulnerability  ...  This is ideal for a global satellite mission such as SWOT, because it enables validation across large spatial scales.  ... 
doi:10.3389/feart.2020.00278 fatcat:4w37djhgfzhwtgb5f5qambyeie

The SWOT Mission and Its Capabilities for Land Hydrology

Sylvain Biancamaria, Dennis P. Lettenmaier, Tamlin M. Pavelsky
2015 Surveys in geophysics  
Beginning in 2007, studies demonstrated the benefits of SWOT data for river hydrology, both through discharge estimation directly from SWOT measurements and through assimilation of SWOT data into hydrodynamic  ...  SWOT is both a continental hydrology and oceanography mission. However, only the hydrology capabilities of SWOT are discussed here.  ...  Acknowledgments S.B. acknowledges funding from the CNES Terre-Océan-Surfaces Continentales-Atmosphère (TOSCA) committee for the SWOT Science Definition Team.  ... 
doi:10.1007/s10712-015-9346-y fatcat:i7apzvn6v5eqpkeeb55wcascia

Calibration of an Airborne Interferometric Radar Altimeter over the Qingdao Coast Sea, China

Lei Yang, Yongsheng Xu, Xinghua Zhou, Lin Zhu, Qiufu Jiang, Hanwei Sun, Ge Chen, Panlong Wang, Stelios P. Mertikas, Yanguang Fu, Qiuhua Tang, Fangjie Yu
2020 Remote Sensing  
Calibration/Validation (Cal/Val) of satellite altimeters is fundamental for monitoring onboard sensor performance and ensuring long-term data quality.  ...  The method was first tested with simulated data and then used to evaluate the performance of an airborne interferometric radar altimeter system (AIRAS) using Global Navigation Satellite System (GNSS) buoy  ...  Consequently, calibration of SWOT-like missions requires new Cal/Val methods.  ... 
doi:10.3390/rs12101651 fatcat:gljpm2fr6zdk7calnwnvawc4tu

Concept Design of the "Guanlan" Science Mission: China's Novel Contribution to Space Oceanography

Ge Chen, Junwu Tang, Chaofang Zhao, Songhua Wu, Fangjie Yu, Chunyong Ma, Yongsheng Xu, Weibiao Chen, Yunhua Zhang, Jie Liu, Lixin Wu
2019 Frontiers in Marine Science  
As an expanded follow-up of SWOT and an oceanic counterpart of CALIPSO, the planned "Guanlan" science mission comprises a dual-frequency (Ku and Ka) interferometric altimetry (IA), and a near-nadir pointing  ...  (iii) The simultaneous functioning of the IA/OL system allows for an enhanced correction of the contamination effects of the atmosphere and the air-sea interface, which in turn considerably reduces the  ...  This research was supported by the Qingdao National Laboratory for Marine Science and Technology of China under grants numbers 2018SDKJ102 and 2015ASTP-OS15.  ... 
doi:10.3389/fmars.2019.00194 fatcat:edvx6peqrvbbpl4ajkvmclxofu

Satellites provide the big picture

J. S. Famiglietti, A. Cazenave, A. Eicker, J. T. Reager, M. Rodell, I. Velicogna
2015 Science  
Small-scale airborne measurements of snow-water equivalent are paving the way for a global satellite mission ( 15) .  ...  In situ observations provide important validation data for satellite measurements and are typically collected with greater spatial and temporal frequency.  ... 
doi:10.1126/science.aac9238 pmid:26273037 fatcat:xbunj4nrqfg2lflkgqspxjlzzu

The SWOT Mission and Its Capabilities for Land Hydrology [chapter]

Sylvain Biancamaria, Dennis P. Lettenmaier, Tamlin M. Pavelsky
2016 Space Sciences Series of ISSI  
Beginning in 2007, studies 42 demonstrated the benefits of SWOT data for river hydrology, both through discharge estimation 43 directly from SWOT measurements and through assimilation of SWOT data into  ...  The needs for a global water surface mission and its requirements 57 58 In the late 1990s and early 2000s, the crucial need for more quantitative data on spatiotemporal 59 dynamics of surface waters at  ...  hydrology 832 867 Furthermore 867 , synergies with other satellite missions observing different component of the water 868 cycle that are likely to collect data simultaneously with SWOT should be investigated  ... 
doi:10.1007/978-3-319-32449-4_6 fatcat:id24d3wd6ffcbhkll5ijf7oyou

Engaging the Applications Community of the future Surface Water and Ocean Topography (SWOT) Mission

M. Srinivasan, A. Andral, M. Dejus, F. Hossain, C. Peterson, E. Beighley, T. Pavelsky, Y. Chao, B. Doorn, E. Bronner, L. Houpert
2015 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
A defined plan and a guide describing a program to engage early adopters in using proxies for SWOT data, including sophisticated ocean and hydrology simulators, an airborne analogue for SWOT (AirSWOT),  ...  broad community of potential SWOT data users.  ...  ACKNOWLEDGEMENTS The authors would like to acknowledge funding and support from NASA's Applied Sciences Program, the SWOT Project, and the French Investment Program.  ... 
doi:10.5194/isprsarchives-xl-7-w3-1497-2015 fatcat:brtz6nwdirc5la3dldiso6pv6i

Observing Ecohydrological Processes: Challenges and Perspectives [chapter]

Xin Li, Harry Vereecken, Chunfeng Ma
2019 Observation and Measurement of Ecohydrological Processes  
For example, the development and application of wireless sensor networks make it easier for scientists and engineers to collect, control, monitor, and visualize observational data.  ...  This challenge will be overcome by the new Surface Water Ocean Topography (SWOT) satellite mission, which uses a Ka-band radar interferometer as the core technology for measuring velocity.  ... 
doi:10.1007/978-3-662-48297-1_1 fatcat:irydzknmerhphnzhroefn7nlcq

Global Observations of Fine-Scale Ocean Surface Topography With the Surface Water and Ocean Topography (SWOT) Mission

Rosemary Morrow, Lee-Lueng Fu, Fabrice Ardhuin, Mounir Benkiran, Bertrand Chapron, Emmanuel Cosme, Francesco d'Ovidio, J. Thomas Farrar, Sarah T. Gille, Guillaume Lapeyre, Pierre-Yves Le Traon, Ananda Pascual (+6 others)
2019 Frontiers in Marine Science  
ACKNOWLEDGMENTS The authors would like to acknowledge the work performed by the SWOT Science Team in the preparation of this mission. The authors thank D. Chelton and R.  ...  FUNDING The authors were mostly funded through the NASA Physical Oceanography Program and the CNES/TOSCA programs for the SWOT and OSTST Science teams.  ...  More details on these different data products are given at future-missions/swot/data-products.html.  ... 
doi:10.3389/fmars.2019.00232 fatcat:uz545l25rbhw5mmrlwss4p5io4

Inroads of remote sensing into hydrologic science during the WRR era

Dennis P. Lettenmaier, Doug Alsdorf, Jeff Dozier, George J. Huffman, Ming Pan, Eric F. Wood
2015 Water Resources Research  
We attribute this evolution to production of data sets that scientists not well versed in remote sensing can use, and to educational initiatives like NASA's Earth System Science Fellowship program that  ...  primarily attributable to a creative use of existing and past satellite sensors to estimate such variables as evapotranspiration rates or water storage in lakes and reservoirs and to new and planned missions  ...  Biancamaria et al. ( The SWOT mission and capabilities for land hydrology, submitted to Survey in Geophysics, 2015) for a summary of the SWOT mission and instrument characteristics).  ... 
doi:10.1002/2015wr017616 fatcat:zgrpc2mk2rd7vlyp4s5cxacraa

The Winds and Currents Mission Concept

Ernesto Rodríguez, Mark Bourassa, Dudley Chelton, J. Thomas Farrar, David Long, Dragana Perkovic-Martin, Roger Samelson
2019 Frontiers in Marine Science  
The Winds and Currents Mission (WaCM) is a proposed approach to meet the need identified by the NRC Decadal Survey for the simultaneous measurements of ocean vector winds and currents.  ...  We review the principles behind the WaCM measurement and the requirements driving the mission.  ...  both airborne and tower data (Yurovsky et al., 2018) .  ... 
doi:10.3389/fmars.2019.00438 fatcat:z4bvmu7csrfu7ouzd5uyaup6mi

The Modular Aerial Sensing System

W. Kendall Melville, Luc Lenain, Daniel R. Cayan, Mati Kahru, Jan P. Kleissl, P. F. Linden, Nicholas M. Statom
2016 Journal of Atmospheric and Oceanic Technology  
For this broad range of phenomena, satellite data need to be supplemented with higher-resolution airborne data that are not tied to the strict schedule of a satellite orbit.  ...  In hydrology, time scales can range from hours for flash floods, to days for snowfall, to months for the snowmelt into river systems.  ...  The collection of other data used here was funded by grants to WKM by ONR (Physical Oceanography).  ... 
doi:10.1175/jtech-d-15-0067.1 fatcat:6lmob4ehobht3ffblzwb4soxqi
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