Results 81 to 90 of about 3,065 (186)

To Which Extent the Surface Water Ocean Topography (SWOT) Mission Is Currently Able to Monitor Water Surface Elevation and Extent on the French Lakes?

open access: yesEarth and Space Science, Volume 13, Issue 6, June 2026.
Abstract This study (July 2023–December 2025) assesses the SWOT satellite's ability to measure water surface elevation (WSE) and surface water extent (SWE) over diverse French lakes. WSE estimates from SWOT were compared to in situ gauge data and conventional radar altimetry, while SWE was evaluated using the Global Water Watch (GWW) database.
C. Normandin   +9 more
wiley   +1 more source

The Shrinking Caspian Sea: Eco‐Hydrological Responses to Human and Climate Pressures

open access: yesEarth's Future, Volume 14, Issue 6, June 2026.
Abstract The Caspian Sea, the Earth's largest inland water body, faces water level decline, drawing comparisons to the collapse of the Aral Sea. Unlike the Aral Sea, the relative roles of climatic variability, hydrological changes, and anthropogenic pressures on the Caspian Sea remain poorly understood.
Jesse Duku   +27 more
wiley   +1 more source

Drought monitoring of forest vegetation using MODIS-based normalized difference drought index in Hungary [PDF]

open access: yes, 2018
In this paper, several spectral indices based on spectral reflectance data from the Terra satellite’s Moderate Resolution Imaging Spectro-radiometer (MODIS) sensor were evaluated in terms of their practical applicability for quantifying drought ...
Gulácsi András   +5 more
core   +1 more source

Performance Evaluation of Automated Flood Inundation Mapping Techniques Using Multi‐Temporal Sentinel‐1 SAR Data

open access: yesJournal of Flood Risk Management, Volume 19, Issue 2, June 2026.
ABSTRACT In recent times, the development of algorithms to delineate water surface maps has significantly boosted flood monitoring and mitigation efforts by utilizing dual polarization, multi‐temporal Sentinel‐1 synthetic aperture radar (SAR) data. The Sentinel‐1 mission, with its global land monitoring capability, has been widely employed for SAR ...
Gautam Dadhich   +5 more
wiley   +1 more source

An Effective Water Body Extraction Method with New Water Index for Sentinel-2 Imagery

open access: yes, 2021
Surface water bodies, such as rivers, lakes, and reservoirs, play an irreplaceable role in global ecosystems and climate systems. Sentinel-2 imagery provides new high-resolution satellite remote sensing data.
Hongrun Ju   +9 more
core   +1 more source

Dynamic changes of wetland resources based on MODIS and Landsat image data fusion

open access: yesEURASIP Journal on Image and Video Processing, 2018
Given the seasonal dynamics of wetland ecosystem, limited available data, and technological method of wetland investigation, wetland evaluation cannot be accurately accessed.
Fawang Ma, Qiubing Wang, Maoxin Zhang
doaj   +1 more source

Normalized Difference Water Index, 2015-2018

open access: yes
This data layer is an individual GeoTIFF files with a resolution of 10 meters.A Normalized Difference Water Index (NDWI) is an indicator of open water on the landscape.
Johnson, Kris
core   +1 more source

Assessing Ecological Connectivity for Loxodonta africana Across Transfrontier Conservation Areas in Southern Mozambique

open access: yesEcology and Evolution, Volume 16, Issue 5, May 2026.
We present the first spatially explicit assessment of ecological connectivity for African bush elephant (Loxodonta africana) in southern Mozambique, spanning the Great Limpopo and Lubombo Transfrontier Conservation Areas. By integrating Resource Selection Function with landscape connectivity analysis, we provide spatially explicit prioritization of ...
Francesca Romana Trezza   +15 more
wiley   +1 more source

Network‐wide assessment of soil water content calibration and sensitivity to biomass proxies using cosmic‐ray neutron sensing in the Roaring Fork Basin, Colorado

open access: yesVadose Zone Journal, Volume 25, Issue 3, May/June 2026.
Abstract Soil water content (SWC) is a key state variable of the climate system but is often uncertain in water balance monitoring, especially in alpine environments. SWC measurements can be challenging in alpine environments due to the topography and rocky soils.
Sophia M. Becker   +4 more
wiley   +1 more source

Precision Estimation of Crop Coefficient for Maize Cultivation Using High-Resolution Satellite Imagery to Enhance Evapotranspiration Assessment in Agriculture

open access: yesPlants
The estimation of crop evapotranspiration (ETc) is crucial for irrigation water management, especially in arid regions. This can be particularly relevant in the Po Valley (Italy), where arable lands suffer from drought damages on an annual basis, causing
Attila Nagy   +8 more
doaj   +1 more source

Home - About - Disclaimer - Privacy