Section Search Apply ( (1) | A (82) | B (42) | C (89) | D (56) | E (53) | F (44) | G (66) | H (64) | I (58) | J (1) | K (5) | L (37) | M (43) | N (28) | O (40) | P (54) | Q (1) | R (77) | S (167) | T (46) | U (10) | V (18) | W (108) | X (1) | Y (1) SDG 1 - No Poverty SDG 2 - Zero hunger SDG 3 - Good health and well being SDG 4 - Quality education SDG 5 - Gender equality SDG 6 - Clean water and sanitation SDG 7 - Affordable and clean energy SDG 8 - Decent work and economic growth SDG 9 - Industry, innovation and infrastructure SDG 11 - Sustainable cities and communities SDG 12 - Sustainable consumption and production SDG 13 - Climate action SDG 14 - Life below water SDG 15 - Life on land SDG 16 - Peace, justice and strong institutions SDG 17 - Partnerships for the goals SDG 10 - Reduce inequality within and among countries Climate Change Software as a Service (SaaS) Infrared Space Observatory (ISO) Open Geospatial Consortium (OGC) Dublin Core SensorThings API Arable Land CHIRPS HEC-HMS Irrigation Land Landslope Pesticides Revised Universal Soil Loss Equation RUSLE Factor Calculation Scintillometer Sensible Heat Flux Temperature Types of Land Environment Atmospheric chemistry Atmospheric temperature Magnetic field Cloud Profile Satellite Missions Instruments WaterML ISO 19115 Character Sets utf-8 Space Science Space Technologies Global Navigation Satellite Systems Earth Observation Communication Human Spaceflight Space Technologies for Water Management Satellite Technology Fields of Application for Space Technologies Biodiversity & Ecosystems & Environmental Monitoring Agriculture Climate Change (alias) Consumer Products Disaster Management Energy Forestry and ecology Geosciences Health Industrial Application Migration and Settlements Natural Resources Management Security Urban planning Water Management and Marine Sciences Fields of Application for Satellite Technology Remote Sensing Space Law Space History Space Governance Sustainable Development Goals Hydrology Free Tags 13.1 Strengthen resilience and adaptive capacity to climate-related hazards Algal bloom Algae Phytoplankton Cyanobacteria Bioaccumulation Aquaculture aeration system Wetlands International Space Station Water Recovery System (WRS) Space Law Treaties The "Outer Space Treaty" The "Rescue Agreement" The "Liability Convention" The "Registration Convention" The "Moon Agreement" Satellite Subsystem Propulsion and Thruster Spacecraft Power Satellite Navigation Communication and Data Handling Science Payload Satellite Characteristics Swath Orbit Orbit Altitude Geosynchronous Orbit (High Earth Orbit) Mid Earth Orbit Low Earth Orbit Orbit Inclination Polar Orbit Orbit Apogee Orbit Ascending Node Orbit Perigee Orbit Period Orbital Plane Orbital Track Orbit Eccentricity Physical Components of Remote Sensing Electromagnetic Radiation Electromagnetic Wave Electromagnetic Spectrum Gamma Ray X-Ray Ultraviolet Visible Violet Blue Green Yellow Orange Red Infrared Microwave Radio Radiation Laws Spectral Signature Radiation Interaction Reflection Absorption Transmission Atmospheric Window Remote Sensors Active Sensor Laser Altimeter Light Detection and Ranging (LIDAR) Radar Synthetic Aperture Radar (SAR) Ranging Instrument Scatterometer Sounder Passive Sensor Accelerometer Radiometers Hyperspectral Radiometer Imaging Radiometer Sounder (passive) Spectrometer Spectroradiometer Resolution Spatial Resolution Spectral Resolution Temporal Resolution Radiometric Resolution Remote Sensor Platform Spectral Index Vegetation and Soil Indices Normalized Difference Vegetation Index (NDVI) Leaf Area Index (LAI) Perpendicular Vegetation Index (PVI) Soil-Adjusted Vegetation Index (SAVI) Transformed Soil Adjusted Vegetation Index (TSAVI) Visible Atmospherically Resistant Index (VARI) Water Indices Modified Normalized Difference Water Index (MNDWI) Normalized Difference Snow Index (NDSI) Normalized Difference Moisture Index (NDMI) Geologic Indices Clay Minerals Ratio Ferrous Minerals Ratio Iron Oxide Ratio Burn Indices Normalized Burn Ratio (NBR) Burn Area Index (BAI) Image Pre-Processing Image Classification Pixel-Based Classification Sub-Pixel-Based Classification Object-Based Classification Space Station Geostationary Orbit Sun-Synchronous Orbit Orbit Descending Node Aerospace Engineering Astronomy Astrochemistry Cosmology Planetary Science Aerospace Medicine Microgravity Environment Research Astrobiology Robotic Space Exploration Missions Flyby Mission Orbiter Mission Lander Mission Space Exploration Spatial Data Digital Elevation Model (DEM) Digital Surface Model (DSM) Space Spin-Off Technology Spin-Off: Biomedical Sensor Suit Spin-Off: Solar Cell Spin-Off: Memory Foam Spin-Off: Water Filtration System Backscatter Enhanced Vegetation Index (EVI) Multispectral Imagery Hyperspectral Imagery In Situ Data Land Cover Data Meteorological Data Space Law Principles Space Physics Bisphenol A (BPA) Phthalates Microplastics Top of Atmosphere Reflectance (TOA) Spectral Red-Edge Near-Infrared (NIR) Shortwave-Infrared (SWIR) Themal Infrared (TIR) Thermal Imagery Digital Image Processing Web Map Service (WMS) Highly elliptical orbit Panchromatic Imagery Space Environment Spectral Band Standardized Precipitation Index (SPI) Normalized Difference Water Index (NDWI) Automated Water Extraction Index (AWEI) Algorithms Harmonic Analysis of Time Series (HANTS) Surface Energy Balance Algorithm for Land (SEBAL) Improved Modified Chlorophyll Absorption Ratio Index (MCARI) Space Architecture Space Actor ASAL Australian Space Agency AEB CSA/ASC CMSA CNSA CNES DLR ISRO ISA ASI JAXA KENSA LSA NZSA SUPARCO CONIDA ROSA ROSCOSMOS SANSA CDTI SSAU United Arab Emirates Space Agency UKSA NASA APSCO GSA ESA EUMETSAT Wavelength Frequency Calibration GPM Microwave Imager Integrated Multi-satellite Retrievals for GPM (IMERG) Soil Moisture Active Passive (SMAP) Geospatial Technologies Geographic Information System (GIS) Data Processing Harmful Algal Bloom Eutrophication Water Water quality Biomass Biota Black water Blue water Brackish water Contamination Contaminant Chemical pollution Coliform bacteria Fecal coliform Eschericha coli Water related diseases Water-based diseases Water-borne diseases Water-washed diseases Water-related vector-borne diseases Corrosion Denudation Drinkable water Ecosystem services Electrical conductivity Green water Grey water Hardness Impurities Maximum allowable concentration Maximum contaminant level (MCL) Pollutant Pollution Persistent organic pollutant (POP) Point source pollution Non-point source (NPS) pollution Nutrient pollution Purification Saline water Salinity Salt water encroachment Saltwater wedge Sediment Sedimentation Settling Stratification Wastewater Water quality indicators Wilting point Abstraction Groundwater abstraction Affluent Arheic Artificial recharge Bank Base flow Basin Artesian basin Drainage basin Groundwater basin Retarding basin Bed rock Bed profile Bed sediment Canal Channel Channel detention Channel flow Channel frequency Channel precipitation Channel storage Coast Coastal river Coastal zone Depth-duration curve Drainage Drainage density Drainage flood Effluent Estuary Evaporation Actual evaporation Potential evaporation Relative evaporation Evapotranspiration Actual evapotranspiration Potential evapotranspiration Flood Flooding Flood area Flood channel Flood control Flood forecasting Floodplain Flow Open channel flow Overbank flow channel Direct flow Free surface flow Inflow Lateral inflow Local inflow Natural flow Outflow Peak flow Plane flow Return flow Sheet flow Surface flow Freshwater Headwater Humidification Hydro Modelling Hydro-Meteorological data Hydrograph Composite unit hydrograph Compound hydrograph Discharge hydrograph Hydrographical network Instantaneous unit hydrograph Hydrological cycle Hydrosphere Infiltration Infiltration capacity Infiltration coefficient Inundation Lagoon Lake Closed lake Endorheic lake Ephemeral lake Marsh Precipitation Condensation Cyclonic precipitation Intensity Station Quantiative precipitation forecast Pond Ocean Rain Acid rain Rapids Reservoir River River basin River bed River mouth River system Runoff Annual runoff Direct runoff Surface runoff Slope (of water surface) Snow hydrology Frost Glacier Ice Sleet Snow density Spill Stream Streamflow Tide Torrent Transpiration Tsunami Vortex Water balance Water-carrying capacity Watercourse Water deficit Water level Dynamic water level Static water level Water loss Water scarcity Water surplus Water system Water year Surface water temperature Watershed Withdrawal Hydrogeology Alluvium Alluvial aquifer Alluvial channel Alluvial fan Alluvial plain Artesian water Aquifer Confined aquifer Semi-confined aquifer Unconfined aquifer Hydraulic gradient Capillary water Discharge Elevation Groundwater Hydraulic conductivity Percolation Permeability Permeable Impermeable Porosity Recharge Induced recharge Groundwater recharge Recharge area Saturated zone Unsaturated zone Soil moisture Geology Permafrost Meteorology Dew Drought Water management Aerobic treatment system Aquaculture Aqueduct Best Management Practice (BMP) Capacity-Building Disaster Risk Reduction Land cover Land cover data Land use Rainwater harvesting Water treatment Wastewater treatment plant Water use Industrial water use Domestic water use Water pump Pumping water level Water Quality Index (WQI) Water Exploitation Index (WEI) Technology & Data Hydroelectricity Hydroelectric power water use Hydrological engineering Dam Dike Flood proofing Flood protection Flood routing Flood warning Flood-control reservoir Flood-control works Inlet Ion exchange Anion exchange Mining water use Outlet Regulating reservoir Regulated flow Salination Desalination Storage Well Bored well Collector well Diffusion well Monitoring well Well capacity Well efficiency Water data management HydroSHEDS Gauge Water Point Mapping (WPM) Watershed Modelling System (WMS) Hydrologic Modelling System (HMS) Inundation map Streamflow characteristics Biogeochemical properties Acidity Alkalinity Biogeochemical cycle Nitrogen cycle Nitrification Denitrification Chlorophyll Hydrocarbon Hydrolysis Inorganic chemicals Microorganisms Natural organic matter (NOM) Neutralization Oxidation Oxygen demand Biochemical oxygen demand (BOD) Chemical oxygen demand (COD) pH Solubility Solute Sublimation Total dissolved solids (TDS) Turbidity Standardization Interoperability Glacier Monitoring Data Open Data Information Management Geospatial Satellite Constellation Launch Service Provider Ground Station Latency Hall-Effect Thruster Buoy Radioglaciology Ground-Penetrating Radar Artificial intelligence Neural Network Basal Roughness Cape Town Global Action Plan for Sustainable Development Data: National Statistical Systems Deep Space Continental Ice Sheet Eutrophication Potential Transfer Orbit Rocket Engine Liquid Bi-Propellant Engine Solid Rocket Engine / Motor / Booster (SRB) Apogee Kick Motor Monopropellant Thruster Electric Propulsion Nuclear Thermal Rocket (NTR) Power Cycles Staged Combustion Expander Cycle Gas-Generator Cycle Pressure-Fed Cycle Propellant Rocket Fuel Oxidizer Cryogenic Propellants Sub-cooled Propellants Hypergolic Propellants Monopropellants Noble Gas Propellants Solar Sail Solar Panels / Cells Radioisotope Thermoelectric Generators (RTGs) Reaction Wheels Attitude Determination and Control System (ADCS) Magnetic Torque Rods / Magnetorquers Gyroscope Radiation Hardened Computers Structure Thermal Thermal Protection System (TPS) Radiators Thermal Limits Impactor Mission Open Geospatial Consortium (OGC) compliant Disease Outbreak Infectous Diseases Epidemology Hydrometeorological Telemetry System Policy and legal related aspects of Water Transboundary waters Hydro diplomacy Interferometric Reflectometry Bacteria Viable but nonculturable (VBNC) bacteria Satellite-based Precipitation Estimation The Integrated Multi-satelliE Retrievals for GPM Moderate Resolution Imaging Spectroradiometer (MODIS) Microclimate Multi-Source Weighted-Ensemble Precipitation Natural Hazards Earth System Global Change Dust storms Water Resources Governance Water and Environmental Law Water Conflict and Cooperation Coral Bleaching Habitat Mapping Taxon Dredging Marine Heatwave Advanced Very High Resolution Radiometer (AVHRR) Degree Heating Week Water-based peace building Conservation Ecosystem Satellite Imagery Resilience Systems Science Risk Air Pollution Transformations to Sustainability (SDGs) Food Security Topographic Satellite Mapping Optical Remote Sensing Water Resource Management Sustainable Development Vertical Transmit-Horizontal Receive Polarissation (VH) Vertical Transmit-Vertical Receive Polarisation (VV) Groundwater Monitoring Groundwater Assessment Arc Second Agrivoltaic System Loading Sanitary Engineering Grid Data Climate Zone Arid Climate Water security Sanitation WASH Magnetorquers CubeSat Fossil Aquifer Global Positioning System (GPS) Geomorphology Water Table Depth Soil Media Aquifer Hydrogeological Characteristics Overlay Index Methodology Shuttle Radar Topography Mission (SRTM) Inverse Distance Weighted (IDW) Technique Multi-Criteria Decision Making (MCDM) Drylands The Tropical Rainfall Measuring Mission (TRMM) TRMM Microwave Imager (TMI) Advanced Microwave Scanning Radiometer (AMSR) Soil Moisture and Ocean Salinity (SMOS) Terrestrial Water Storage (TWS) Hydrological Fluxes Enhanced Thematic Mapper Plus (ETM+) Electronically Scanned Thinned Array Radiometer (ESTAR) GRACE Ground Water Potential Zones (GWPZ) Geophysics GRACE-FO Groundwater Footprint Water availability Hygiene Human Activity Regulations Financial Social Physical Technological Variance K-means algorithm Segmentation Business services Georectification Gaseous cycles Sedimentary cycles Oxygen cycle Carbon cycle Water cycle Iron cycle Calcium Cycle Phosphorus cycle Sulphur cycle Solvent Flow line Flow net Flow path Steady flow Unsteady flow Flux Waterbody Aquiclude Aquifuge Aquitard Confined water Groundwater barrier Groundwater discharge Perched groundwater Phreatic groundwater Unconfined groundwater Hydraulic barrier Effective permeability Intrinsic permeability Relative permeability Specific permeability Soil Cloud Water footprint Groundwater Type Hydraulics Water-related Disaster Hydroponics Controlled Environment Agriculture Bioregenerative system Extra-terrestrial colonization Data science Cultural Heritage Archives Content Mapping Perseverance Deep Ultraviolet European Simulation Language (ESL) software package Cryptosporidium Circular economy Aquaporins Environment Control and Life Support System (ECLSS) MELiSSA (Micro-Ecological Life Support System Alternative) Holey Carbon Allotropes Water demand Water sampling Manning's formula Water stress Surface water storage River discharge Water infrastructure planning River velocity Drought management Integrated water resource management Boundary (border) river Dublin Principles Helsinki Rules United Nations Convention to Combat Desertification (1994) Manning's Roughness Coefficient Rainfall rate Rainfall intensity Groundwater storage Karst Recovery Spring Piezometer Brook Freeze thaw Essential Water Variables (EWV) Surface water Water vapour Sea Surface Temperature (SST) Ocean salinity Delta Climate Cryosphere Cholera Vibrio Drainage patterns Drought monitoring Extreme Heavy Rainfall Precipitation monitoring Rural water Storm surge Virtual Water Values (ViWA) Water allocation Water productivity Water quantity Hydrography River gauge Arctic lake National Hydrological Services (NHSs) Lake reservoirs Hydrophyte Ecohydrology Convection Conduction Satellite Altimetry Reference System Atmosphere Regional Gravity Field Inland water Radiative transfer Inverse method Erosion Land Reclamation Subsidence Sinkhole IRS P6 RADARSAT Dispersion modelling Instrument Types (Sensor Types) Earth Radiation Budget Radiometers Hyperspectral Imagers Imaging microwave radars Imaging multi-spectral radiometers - passive microwave Imaging multi-spectral radiometers (vis/IR) Lightning sensors High resolution optical imagers Multiple direction/polarisation radiometers Microwave Humidity Sounder (MHS) Radar altimeters Rain radar Gravity Instruments Faecal sludge management (FSM) Freshwater Habitat Ocean colour Snow Cover River Course Management River Catchment (Area) Irrigation Global streamflow characteristics Sewage Python Atmosphere Troposphere Stratosphere Mesosphere Thermosphere Ionosphere Surface Water and Ocean Topography Water budget Baseline water stress Global Navigation Satellite System Reflectometry Cyclone Global Navigation Satellite System Integrated Water Vapour Palmer Drought Severity Index (PDSI) Gravity Recovery And Climate Experiment Drought Severity Index (GRACE-DSI) Applications Technology Satellite (ATS-1) Television and InfraRed Observation Satellite (TIROS-1) Evaporative Stress Index (ESI) Vegetation Cover Index Standardized Soil Moisture Index (SSI) Water hyacinth Aquaporin technology Science Communication Indigenous communities Inclusivity User needs Digital Earth Lithosphere Hydrosphere Global Warming Typhoon Groundwater quality Lysimeter Virtual station Priestley and Taylor approach Penman-Monteith equation Residual method of the energy balance Atmosphere-Land Exchange Inverse model Global Land Evaporation Amsterdam Model Surface Energy Balance System Neutron scattering technique Gamma ray attenuation Soil electrical conductivity Tensiometry Surface current velocity Soil dielectric constant Water extent Water resources engineering Bathymetry Google Earth Engine Municipal water use Wetlands (fresh and brackish) Snowpack Snowmelt Atmospheric moisture (over land) Atmospheric moisture (over ocean) Grazing water use Ocean circulation Ocean evaporation Lakes (saline) Lakes (fresh) Stormwater (Urban) Runoff Precipitation over land Precipitation over ocean Transport of moisture from ocean to land Streamflow to closed basins Streamflow to ocean Ocean (deep water zone) Ocean (mixed zone) Groundwater discharge to ocean Agricultural water use Surface mass Terrestrial (land surface) modelling systems Global Land Data Assimilation System (GLDAS) Total water storage WaterGAP Global Hydrological Model (WGHM) Pool Forestry water use Groundwater remediation Pediment Pediplain Water balance assessment Drinking Water Endemic species Water risk Dry spell Knowledge exchange Water rationing Water distribution system Groundwater‐dependent ecosystems Groundwater modelling Groundwater Flow Model Cenote Karst Decision Support Systems for Water Resources Management Flood modelling Flood risk Nature-based Solutions (NbS) Hydrodynamic model Hydrodynamic modelling Hydroinformatics Percolation tank Nala-bunds Feature reflectance Water Sensitive Urban Design Hydrometeorological hazards Big Data for Water Resources Management Remediation Rehabilitation Boreal forest Ramsar site Oil spill Intensive farming Proxy data Atmospheric process Time series Water recycling / Re-use / Reclamation Water stewardship Coastal waters Hypoxic water Oil pollution Thermal pollution Saltwater intrusion Transitional waters Water demand management Waterlogged Water table Transboundary pollution Marsh Landsat Data integration Crowdsourcing Citizen Observatories Citizen Science for Earth Observations Seasonal Human Population Models Agent-Based Models El Niño La Niña Data cube Complex socio-ecological systems Hydrometric data Ecological interference Dead Zone SSP2-4.5 SSP5-8.5 CMIP6 projections Global Warming Scenario Bilge water Wetted perimeter Building Damage Assessment Uncertainty Quantification Clogging Sentinel-6 Global Mean Sea Level Rise Glacial isostatic adjustment Open Source Clean Water Sufficient Water Summer Flows Climate Coupling Water and Atmosphere Waterway Restoration Spatial Hydrology Diplomacy Hydrography Dataset Water Engineering Astronaut Wastewater Recycling Climate Science Rill erosion Nephelometric Turbidity Unit Biodiversity Habitat Change Cloud Computing Machine Learning Hydraulic action Digital Shoreline Analyses System (DSAS) Meadow degradation Grassland protection Vegetation Deforestation Tar sands Hec-ras floods Aquatic fauna Hydrologic modeling Geospatial Artificial Intelligence (GeoAI) Image Processing Biomass Space Research Soil Conservation Water Conservation Water Resources Management Maritime Domain Awareness Maritime Surveillance Sentinel Application Platform (SNAP) Ship detection Energy, Climate, and Environment (ECE) Transformative Institutional and Social Solutions (TISS) Population and Just Societies (POPJUS) Equity and Justice (EQU) Advancing Systems Analysis (ASA) Novel Data Ecosystems for Sustainability (NODES) Open-Earth-Monitor Cyberinfrastructure (OEMC) Space Systems Space Policy Water Resources Greenhouse Gases Storm Daniel Ocean Temperature Medicane Early Warning System Gender equity STEAM Education Normalized Difference Turbidity Index (NDTI) Normalized Difference Suspended Sediment Index (NDSSI) Normalized Material Suspended Index (NMSI) Suspended Sediment Concentration (SSC) Suspended particulate matter (SPM) Complete linkage clustering Mining Heavy metals Shelter Landslide Satellite monitoring Snow water equivalent (SWE) Snow depth Snow accumulation pattern Forest Water Supply Ratio Vegetation Index (RVI) Forest cover Water-Energy-Food-Ecosystems (WEFe) Nexus Ranching Surface Water Detection Sustainability Water accounting Digital twin (DT) Building information modeling (BIM) River level Seawater intrusion Soil degradation Water quality assessment Ecosystem dynamics Decision making Oceanography Urban planning (alias) Geodesy Climate resilience Ecosystem-based adaption NeRF (Neural Radiance Fields) Gaussian Splatting Policy implication Alpine Vegetation Dynamics Ecosystem Resilience Snow Cover Analysis Data Fusion Techniques Climate Adaptation Policy Impact Water Resource Assessment Land degradation Agricultural land mapping Aerial image analysis Forest surveys Vegetation surveys Desertification Satellite image analysis Climate change monitoring Land use mapping Land cover mapping Water-related ecosystems Coastal erosion Spectral contamination Mixed spectral returns Canophy Height Model (CHM) Green Normalized Difference Vegetation Index (GNDVI) Mangroves Mangrove mapping Small Island Developing States (SIDS) Rapid flood simulation Automated global dataset Aerosols Ice nucleation Resilient societies Seabed classification Climate forcings Opportunistic vegetation Polarimetric Synthetic Aperture Radar (PolSAR) Retention ponds Drainage system Check dam Height Above Nearest Drainage (HAND) Data processing Data discovery Wetland degradation Sentinel-1 Multi-hazard modelling Data limitation Flood simulation Hydrometeorological disasters Intertropical Convergence Zone (ITCZ) Albedo Aerodynamic roughness length Heat flux partitioning Convective activity Brightness temperature Backscatter coefficient Gravity anomaly Retrieval algorithms Energy balance models Riparian zone Littoral zone Batch size Lookback window Deep learning River ice Daymet Atmospheric rivers Hydroclimatology Regime shifts Glacial lake outburst flood (GLOF) Endorheic basin Biodiversity monitoring Ecosystems monitoring Environmental monitoring Plant functional traits Soil-plant interaction Hydrometry Water-Energy-Food (WEF) Nexus Water balance model Citywide Inclusive Sanitation (CWIS) Data center High performance computing Analytical Hierarchy Process (AHP) Flood monitoring Near Real-Time (NRT) Water monitoring Space Applications Youth engagement Horizontal coverage Cover Management factor (C-factor) Lake Water Storage Water Surface Area (WSA) Crop yield Crop area Vegetation health Canopy cover Solar energy Wind speed Dieelectric constant Hydrogeodesy Ephemerides Precise Point Positioning (PPP) International GNSS Service (IGS) Real-Time Kinematic (RTK) International Terrestrial Reference System (ITRS) (delay) Doppler Map (DM) Wet delay Per- and polyfluoroalkyl substances (PFAS)