hydrology

within 25 miles

Sep 9, 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 & Outdoorshydrologycryospheremountainsremote sensingnasasnow_nasa

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

CrowdWater

Collect hydrological data using a smartphone app

Anywhere

Ongoing

Citizen ScienceOcean Water MarineGeology & Earth ScienceEcology & EnvironmentGeographyNature & Outdoorsflow conditionstemporary streamssoil moisturehydrologystreamcrowddroughtriverfloodcrowdwaterwaterwater levelstreamflow

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 ScienceNature & OutdoorsGeographyEcology & EnvironmentOcean Water MarineClimate & Weatherstreamsfloodstream levelstreamflowrivershydrologydroughtgamewater levelcrowdwaterwater

NASA

Lake Observations by Citizen Scientists and Satellites

Help us observe and report lake levels!

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsClimate & WeatherOcean Water Marinesatellitelimnologynasa-sciactlake_nasanasariverhydrologywater level

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 & EnvironmentBiologywatershedbugshydrologystreamsstreamflowbenthicriversinsectsmacroinvertebrates

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 & Weathersnowtechnologyweather_nasaprecipitationhydrologywaterrainclimatenasa-sciact

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 & EnvironmentBiologyhedgerowterrestrialwildflowerwoodlandspecieshabitatsplantsevidencegrasslandwetlandheathlandukbotanyecology

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 Science lake meadlake meadgrand canyonclimate changecolorado rivermonitoringriverriver raftingdrought droughtrapids hydrology returning rapidswater qualityhydrology river water quality colorado riverlava cliffwestern grand canyon monitoring river rafting rapids lava cliffreturning rapids western grand canyon grand canyon

SkNOWLEDGE COLLECTIVE

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

Anywhere

Ongoing

Citizen ScienceGeographyClimate & WeatherEducationweathersnow depthenvironment educationclimategisschool-based citizen science initiativeenvironmentearth observationmeteorologicaltemperaturesnowsnow wetnesssciencemeteorological dataclimate changeoutdoorsoutdoor field-based activitieswater resourceshydrological math

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