A review of applications of satellite SAR, optical, altimetry and DEM data for surface water modelling, mapping and parameter estimation

Hydrological data collection requires deployment of physical infrastructure like rain gauges, water level gauges, as well as use of expensive equipment like echo sounders. Many countries around the world have recorded a decrease in deployment of physical infrastructure for hydrological measurements;...

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Bibliographic Details
Published in:Hydrology and earth system sciences 2015-09, Vol.19 (9), p.3755-3769
Main Authors: Musa, Z N, Popescu, I, Mynett, A
Format: Article
Language:English
Subjects:
Accuracy
Altimetry
Bridge maintenance
Calibration
Data
Data collection
Deployment
Developing countries
Echo sounding
Echoes
Echosounders
Environmental monitoring
Flood mapping
Floods
Gages
Gauges
Hydrologic data
Hydrologic measurement
Hydrologic models
Hydrologists
Hydrology
Infrastructure
LDCs
Mapping
Mathematical models
Measuring instruments
Modelling
Neural networks
Oceanography
Orbits
Parameter estimation
Precipitation
Precipitation monitoring
Rain
Rain gauges
Rainfall
Remote sensing
Rivers
Satellite data
Satellite remote sensing
Satellites
Sensors
Standard deviation
Sun
Surface water
Technology application
Vegetation
Water bodies
Water levels
Water resources
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Description
Summary:Hydrological data collection requires deployment of physical infrastructure like rain gauges, water level gauges, as well as use of expensive equipment like echo sounders. Many countries around the world have recorded a decrease in deployment of physical infrastructure for hydrological measurements; developing countries especially have less of this infrastructure and, where it exists, it is poorly maintained. Satellite remote sensing can bridge this gap, and has been applied by hydrologists over the years, with the earliest applications in water body and flood mapping. With the availability of more optical satellites with relatively low temporal resolutions globally, satellite data are commonly used for mapping of water bodies, testing of inundation models, precipitation monitoring, and mapping of flood extent. Use of satellite data to estimate hydrological parameters continues to increase due to use of better sensors, improvement in knowledge of and utilization of satellite data, and expansion of research topics. A review of applications of satellite remote sensing in surface water modelling, mapping and parameter estimation is presented, and its limitations for surface water applications are also discussed.
ISSN:1607-7938
1027-5606
1607-7938
DOI:10.5194/hess-19-3755-2015