hydrological

within 25 miles

Dec 22, 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 & Outdoorsnasahydrology_nasacryospheresnowremote sensingmountains

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 Sciencefloodflow conditionscrowdriverhydrologydroughttemporary streamssoil moisturewater levelcrowdwaterwaterstreamflowstream

SPOTTERON GmbH

CrowdWater

Collecting hydrological data

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsOcean Water Marinestreamscitizen sciencecrowdwatermarinewatercoastlinesea

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 & Outdoorsfloodstreamflowhydrologystreamsriverswaterdroughtcrowdwaterstream levelgamewater level

NASA

Lake Observations by Citizen Scientists and Satellites

Help us observe and report lake levels!

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsClimate & WeatherOcean Water Marine_nasawater levellakehydrologylimnologyriversatellitenasa-sciactnasa

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 & EnvironmentBiologystreamflowwatershedriversinsectsmacroinvertebrateshydrologybugsstreamsbenthic

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 Marine_nasawatersnowprecipitationraintechnologyweatherclimatehydrologynasa-supportednasa-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 & EnvironmentBiologywoodlandhedgerowplantsevidenceheathlandukbotanywetlandterrestrialecologygrasslandspecieshabitatswildflower

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 Scienceriver western grand canyonhydrology hydrologylava cliffreturning rapids riverrapids river raftinglake mead drought rapids lava cliff lake mead grand canyondrought colorado riverclimate change monitoringmonitoringgrand canyonwestern grand canyon returning rapidsriver rafting water qualitycolorado riverwater quality

Zooniverse

SIREN project

Digitization of Italian historical hydro-meteorological records

Anywhere

Ongoing

Citizen ScienceClimate & WeatherEcology & EnvironmentOcean Water Marinedigitizationfloodsdatasetyearbookstime seriesitalyriversdischarge

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