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• Satellite Missions

• Instruments

• 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

• International Space Station

• 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

• 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

• 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

• Deep Space

• 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

• Interferometric Reflectometry

• Satellite-based Precipitation Estimation

• The Integrated Multi-satelliE Retrievals for GPM

• Moderate Resolution Imaging Spectroradiometer (MODIS)

• Multi-Source Weighted-Ensemble Precipitation

• Advanced Very High Resolution Radiometer (AVHRR)

• Satellite Imagery

• Topographic Satellite Mapping

• Optical Remote Sensing

• Vertical Transmit-Horizontal Receive Polarissation (VH)

• Vertical Transmit-Vertical Receive Polarisation (VV)

• Magnetorquers

• CubeSat

• Global Positioning System (GPS)

• Shuttle Radar Topography Mission (SRTM)

• Inverse Distance Weighted (IDW) Technique

• Analytical Hierarchy Process (AHP)

• Multi-Criteria Decision Making (MCDM)

• 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)

• Enhanced Thematic Mapper Plus (ETM+)

• Electronically Scanned Thinned Array Radiometer (ESTAR)

• GRACE

• Geophysics

• GRACE-FO

• Variance

• K-means algorithm

• Segmentation

• Georectification

• Extra-terrestrial colonization

• Perseverance

• Deep Ultraviolet

• European Simulation Language (ESL) software package

• Environment Control and Life Support System (ECLSS)

• MELiSSA (Micro-Ecological Life Support System Alternative)

• Holey Carbon Allotropes

• Satellite Altimetry

• Reference System

• Atmosphere

• Regional Gravity Field

• Radiative transfer

• IRS P6

• RADARSAT

• 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

• Surface Water and Ocean Topography

• Global Navigation Satellite System Reflectometry

• Cyclone Global Navigation Satellite System

• Gravity Recovery And Climate Experiment Drought Severity Index (GRACE-DSI)

• Applications Technology Satellite (ATS-1)

• Television and InfraRed Observation Satellite (TIROS-1)

• Aquaporin technology

• Digital Earth

• Virtual station

• Atmosphere-Land Exchange Inverse model

• Global Land Evaporation Amsterdam Model

• Surface Energy Balance System

• Total water storage

• Landsat

• Crowdsourcing

• Citizen Observatories

• Citizen Science for Earth Observations

• Seasonal Human Population Models

• Agent-Based Models

• Infrared Space Observatory (ISO)

• Open Geospatial Consortium (OGC)

• Dublin Core

• SensorThings API

• WaterML

• ISO 19115

• Character Sets

• utf-8

• Open Geospatial Consortium (OGC) compliant

• Agrivoltaic System

• Grid Data

• Business services

• Data science

• Cultural Heritage

• Archives

• Content Mapping

• Circular economy

• Inverse method

• Python

• Science Communication

• Indigenous Communities

• Inclusivity

• User needs

• Google Earth Engine

• Hydroinformatics

•  Proxy data

• Time series

• Data integration

• Data cube

• Climate Change

• 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

• Algal bloom

• Algae

• Phytoplankton

• Cyanobacteria

• Bioaccumulation

• Aquaculture aeration system

• Bisphenol A (BPA)

• Phthalates

• Microplastics

• Disease Outbreak

• Infectous Diseases

• Epidemology

• Bacteria

• Viable but nonculturable (VBNC) bacteria

• Microclimate

• Natural Hazards

• Earth System

• Global Change

• Dust storms

• Coral Bleaching

• Habitat Mapping

• Taxon

• Dredging

• Marine Heatwave

• Degree Heating Week

• Conservation

• Ecosystem

• Resilience

• Systems Science

• Risk

• Air Pollution

• Transformations to Sustainability (SDGs)

• Food Security

• Arc Second

• Climate Zone

• Arid Climate

• Geomorphology

• Soil Media

• Drylands

• Human Activity

• Regulations

• Financial

• Social

• Physical

• Technological

• Hydroponics

• Controlled Environment Agriculture

• Bioregenerative system

• Climate

• Hydrophyte

• Erosion

• Land Reclamation

• Subsidence

• Sinkhole

• Dispersion modelling

• Atmosphere

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

• Ionosphere

• Vegetation Cover Index

• Standardized Soil Moisture Index (SSI)

• Water hyacinth

• Lithosphere

• Hydrosphere

• Global Warming

• Typhoon

• Gamma ray attenuation

• Soil electrical conductivity

• Soil dielectric constant

• Atmospheric moisture (over land)

• Atmospheric moisture (over ocean)

• Transport of moisture from ocean to land

• Surface mass

• Terrestrial (land surface) modelling systems

• Global Land Data Assimilation System (GLDAS)

• Pediment

• Pediplain

• Endemic species

• Karst

• Remediation

• Rehabilitation

• Boreal forest

• Ramsar site

• Intensive farming

• Atmospheric process

• Transboundary pollution

• Marsh

• Complex socio-ecological systems

• Ecological interference

• Dead Zone

• SSP2-4.5

• SSP5-8.5

• CMIP6 projections

• Global Warming Scenario

• Hydrology

• Wetlands

• Water Recovery System (WRS)

• 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

• Drainge

• 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

• Cape Town Global Action Plan for Sustainable Development Data:

• National Statistical Systems

• Continental Ice Sheet

• Eutrophication Potential

• Hydrometeorological Telemetry System

• Policy and legal related aspects of Water

• Transboundary waters

• Hydro diplomacy

• Water Resources Governance

• Water and Environmental Law

• Water Conflict and Cooperation

• Water-based peace building

• Water Resource Management

• Groundwater Monitoring

• Groundwater Assessment

• Loading

• Sanitary Engineering

• Sanitation

• WASH

• Fossil Aquifer

• Water Table Depth

• Aquifer Hydrogeological Characteristics

• Overlay Index Methodology

• Hydrological Fluxes

• Ground Water Potential Zones (GWPZ)

• Groundwater Footprint

• Water availability

• Hygiene

• 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

• Cryptosporidium

• Aquaporins

• 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

• 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

• Ecohydrology

• Convection

• Conduction

• Inland water

• Faecal sludge management (FSM)

• Freshwater Habitat

• Ocean colour

• Snow Cover

• River Course Management

• River Catchment (Area)

• Irrigation

• Global streamflow characteristics

• Sewage

• Water budget

• Baseline water stress

• Integrated Water Vapour

• Palmer Drought Severity Index (PDSI)

• Evaporative Stress Index (ESI)

• Groundwater quality

• Lysimeter

• Priestley and Taylor approach

• Penman-Monteith equation

• Residual method of the energy balance

• Neutron scattering technique

• Tensiometry

• Surface current velocity

• Water extent

• Water resources engineering

• Bathymetry

• Municipal water use

• Wetlands (fresh and brackish)

• Snowpack

• Snowmelt

• Grazing water use

• Ocean circulation

• Ocean evaporation

• Lakes (saline)

• Lakes (fresh)

• Stormwater (Urban) Runoff

• Precipitation over land

• Precipitation over ocean

• Streamflow to closed basins

• Streamflow to ocean

• Ocean (deep water zone)

• Ocean (mixed zone)

• Groundwater discharge to ocean

• Agricultural water use

• WaterGAP Global Hydrological Model (WGHM)

• Pool

• Forestry water use

• Groundwater remediation

• Water balance assessment

• Drinking Water

• Water risk

• Dry spell

• Knowledge exchange

• Water rationing

• Water distribution system

• Groundwater‐dependent ecosystems

• Groundwater  modelling

• Groundwater Flow Model

• Cenote

• Decision Support Systems for Water Resources Management

• Flood modelling

• Flood risk

• Nature-based Solutions (NbS)

• Hydrodynamic model

• Hydrodynamic modelling

• Percolation tank

• Nala-bunds

• Feature reflectance

• Water Sensitive Urban Design

• Hydrometeorological hazards

• Big Data for Water Resources Management

• Oil spill

• 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

• El Niño

• La Niña

• Hydrometric data

• Bilge water

• Wetted perimeter