hydrology

within 25 miles

Nov 6, 2025

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NASA

Community Snow Observations

To improve temporal and spatial snow depth data coverage.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineEducationGeology & Earth ScienceClimate & WeatherGeographyComputers & TechnologyEcology & EnvironmentNature & Outdoorsremote sensingmountainssnownasa_nasahydrologycryosphere

University of Zurich, Department of Geography, Hydrology and Climate Group

CrowdWater

Collect hydrological data using a smartphone app

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Ongoing

Citizen ScienceGeographyNature & OutdoorsOcean Water MarineEcology & EnvironmentGeology & Earth Sciencecrowdwaterwater levelwaterriversoil moisturedroughtstreamflowstreamtemporary streamsflow conditionscrowdhydrologyflood

SPOTTERON GmbH

CrowdWater

Collecting hydrological data

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsOcean Water Marinemarinecoastlinecrowdwaterseastreamscitizen sciencewater

University of Zurich, Department of Geography, Hydrology and Climate Group

CrowdWater game

Data quality control and improvement of crowdsourced water level data

Anywhere

Ongoing

Citizen ScienceClimate & WeatherOcean Water MarineEcology & EnvironmentGeographyNature & Outdoorshydrologywaterstream levelstreamflowriverscrowdwaterwater levelfloodgamedroughtstreams

NASA

Lake Observations by Citizen Scientists and Satellites

Help us observe and report lake levels!

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsClimate & WeatherOcean Water Marinewater levellimnologyriversatellitenasalakenasa-sciacthydrology_nasa

Michigan Clean Water Corps

MiCorps Volunteer Stream Monitoring Program

Monitor health of Michigan’s streams and rivers

Multiple locations, including yours!

Ongoing

Citizen ScienceGeology & Earth ScienceOcean Water MarineEcology & EnvironmentBiologyriversstreamsmacroinvertebratesbugswatershedbenthicinsectshydrologystreamflow

Lynker and DRI / NASA

Mountain Rain or Snow

Our goal is to improve estimates of precipitation phase (rain vs. snow).

Multiple locations, including yours!

Ongoing

Citizen ScienceClimate & WeatherEcology & EnvironmentOcean Water Marinesnowtechnologyhydrologyrain_nasaweatherclimatenasa-sciactwaterprecipitationnasa-supported

UK Centre for Ecology and Hydrology, Botanical Society of Britain and Ireland, Plantlife, the Joint Nature Conservation Committee, and The Department of Agriculture, Environment and Rural Affairs for Northern Ireland

National Plant Monitoring Scheme

Record abundance and diversity of plant species in the UK.

Multiple locations, including yours!

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentBiologywildflowerwetlandheathlandplantswoodlandukbotanyhedgerowecologyterrestrialevidencegrasslandspecieshabitats

Prescott College

Returning Rapids Western Grand Canyon

To monitor and understand the returning rapids of the Western Grand Canyon’s Colorado River.

Multiple locations, including yours!

Ongoing

Citizen Sciencerapids lava cliff droughtlake mead rapidsgrand canyon river grand canyonriver raftinghydrologyriver western grand canyondroughtlava cliff lake mead colorado river river rafting hydrologycolorado riverwater qualitymonitoringwestern grand canyonclimate change monitoringreturning rapids water quality returning rapids

SkNOWLEDGE COLLECTIVE

Science, math (& more!) outdoors, one snowball at a time ❄!

Anywhere

Ongoing

Citizen ScienceGeographyClimate & WeatherEducationenvironment educationsnow depthearth observationoutdoor field-based activitiesclimate changescienceschool-based citizen science initiativemathsnowweathermeteorologicalhydrological water resourcessnow wetnessclimateoutdoorsmeteorological datagistemperatureenvironment

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