hydrology

within 25 miles

Oct 11, 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 & Outdoorscryosphereremote sensinghydrologysnownasa_nasamountains

SPOTTERON GmbH

CrowdWater

Collecting hydrological data

Anywhere

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsEcology & Environmentcoastlinewatercitizen sciencestreamsmarinecrowdwatersea

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

CrowdWater

Collect hydrological data using a smartphone app

Anywhere

Ongoing

Citizen ScienceGeographyNature & OutdoorsOcean Water MarineEcology & EnvironmentGeology & Earth Sciencecrowdfloodcrowdwaterwaterstreamflowstreamtemporary streamssoil moisturedroughtwater levelhydrologyriverflow conditions

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 & Outdoorsstreamflowdroughtwaterwater levelcrowdwaterhydrologygamestream levelriversfloodstreams

NASA

Lake Observations by Citizen Scientists and Satellites

Help us observe and report lake levels!

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsClimate & WeatherOcean Water Marinehydrologysatellitenasalimnology_nasanasa-sciactwater levelriverlake

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 & EnvironmentBiologywatershedstreamsbenthicmacroinvertebratesbugsriversstreamflowinsectshydrology

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 ScienceOcean Water MarineEcology & EnvironmentClimate & Weatherhydrology_nasarainnasa-sciactwatersnowtechnologyweatherprecipitationclimate

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 & EnvironmentBiologyheathlandterrestrialukgrasslandhedgerowplantshabitatsevidenceecologybotanywildflowerwetlandwoodlandspecies

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 Sciencelake meadriverlava cliffreturning rapids water qualitywater quality western grand canyon river rafting hydrologyhydrology grand canyonrapidsgrand canyon colorado rivermonitoring rapidsclimate change lava cliffwestern grand canyon lake meaddrought river droughtcolorado river monitoring returning rapidsriver rafting

SkNOWLEDGE COLLECTIVE

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

Anywhere

Ongoing

Citizen ScienceGeographyClimate & WeatherEducationoutdoorsenvironmentclimatesnow wetnessclimate changegismathenvironment educationweatherwater resourcesmeteorological datameteorologicalearth observationhydrological snowsciencetemperaturesnow depthoutdoor field-based activitiesschool-based citizen science initiative

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