hydrology

within 25 miles

Sep 18, 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 & Outdoorscryospherenasahydrology_nasamountainsremote sensingsnow

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 & Outdoorshydrologystreamtemporary streamscrowdwaterfloodsoil moisturestreamflowcrowdwaterflow conditionsdroughtriverwater level

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 & Weathercrowdwaterwater levelwaterstreamsstreamflowriversgamedroughthydrologystream levelflood

NASA

Lake Observations by Citizen Scientists and Satellites

Help us observe and report lake levels!

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsClimate & WeatherOcean Water Marinenasa-sciactlakenasahydrologysatellitelimnologyriver_nasawater 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 & EnvironmentBiologystreamflowbenthicmacroinvertebratesbugshydrologyinsectsriverswatershedstreams

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 & Weatherwaterweatherclimatesnowtechnologyrainhydrologynasa-sciact_nasaprecipitation

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 & EnvironmentBiologyspeciesplantshedgerowecologyhabitatsterrestrialwoodlandukevidencegrasslandwildflowerheathlandwetlandbotany

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 river western grand canyon lake mead monitoringrapids water quality river rafting hydrologyhydrology drought rapidslake meadmonitoringcolorado river returning rapidswestern grand canyon lava cliffwater qualityriver rafting colorado riverdroughtreturning rapidsriver grand canyonlava cliffgrand canyonclimate change

SkNOWLEDGE COLLECTIVE

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

Anywhere

Ongoing

Citizen ScienceGeographyClimate & WeatherEducationwater resourcessnow wetnessoutdoorsmathschool-based citizen science initiativeclimateweathersnow depthclimate changehydrological sciencesnowtemperaturegisenvironment educationmeteorologicalearth observationoutdoor field-based activitiesmeteorological dataenvironment

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