hydrology

within 25 miles

Nov 8, 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 sensingcryospherehydrologymountainssnownasa_nasa

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 Sciencecrowdwaterstreamflowriverwater levelwaterstreamcrowdtemporary streamssoil moisturehydrologyflow conditionsdroughtflood

SPOTTERON GmbH

CrowdWater

Collecting hydrological data

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Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsOcean Water Marinecitizen sciencestreamscoastlinewaterseamarinecrowdwater

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 & Outdoorsstream levelstreamflowgamewater levelhydrologyriverswatercrowdwaterdroughtstreamsflood

NASA

Lake Observations by Citizen Scientists and Satellites

Help us observe and report lake levels!

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsClimate & WeatherOcean Water Marine_nasalakenasalimnologysatellitewater levelnasa-sciacthydrologyriver

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 & EnvironmentBiologybugsstreamsmacroinvertebrateshydrologyinsectswatershedbenthicriversstreamflow

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 Marinehydrologynasa-sciactnasa-supportedrainprecipitationclimateweathertechnologysnowwater_nasa

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 & EnvironmentBiologyhedgerowbotanyhabitatsevidencewetlandheathlandukspecieswildflowerplantsecologygrasslandwoodlandterrestrial

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 drought rapidshydrologylake mead lake mead water qualityriver raftinglava cliffgrand canyon returning rapids grand canyon river river rafting hydrologyclimate changerapids western grand canyonriverwestern grand canyondroughtwater quality monitoringmonitoringcolorado river lava cliff colorado riverreturning rapids

SkNOWLEDGE COLLECTIVE

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

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Ongoing

Citizen ScienceGeographyClimate & WeatherEducationtemperatureweathersnow depthmathenvironmentscienceclimate changeoutdoorsearth observationmeteorological datameteorologicaloutdoor field-based activitiessnowenvironment educationhydrological school-based citizen science initiativesnow wetnesswater resourcesclimategis

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