hydrology

within 25 miles

Nov 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 & Outdoorsnasamountainsremote sensingsnowhydrology_nasacryosphere

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 Sciencewater levelsoil moisturewatercrowdwaterstreamflowflow conditionsriverhydrologydroughtcrowdtemporary streamsstreamflood

SPOTTERON GmbH

CrowdWater

Collecting hydrological data

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsOcean Water Marineseacitizen sciencecrowdwatermarinecoastlinestreamswater

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 levelriversgamestreamflowwater levelcrowdwaterhydrologystreamswaterflooddrought

NASA

Lake Observations by Citizen Scientists and Satellites

Help us observe and report lake levels!

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsClimate & WeatherOcean Water Marinewater level_nasasatellitehydrologylakerivernasa-sciactnasalimnology

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 & EnvironmentBiologystreamflowwatershedbenthicriversbugsinsectsstreamsmacroinvertebrateshydrology

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 Marinerainprecipitationsnownasa-sciacthydrologyclimatetechnologynasa-supportedweather_nasawater

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 & EnvironmentBiologyhabitatswildflowerwetlandhedgerowterrestrialecologywoodlandplantsevidenceheathlandukbotanygrasslandspecies

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 rafting hydrology colorado rivermonitoringcolorado river returning rapidsreturning rapidswater quality monitoringgrand canyon lava cliffriverlake meadlava cliffwestern grand canyon water quality river lake mead droughtclimate changehydrology grand canyonriver raftingdrought western grand canyon rapidsrapids

SkNOWLEDGE COLLECTIVE

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

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Ongoing

Citizen ScienceGeographyClimate & WeatherEducationenvironmentsnowmeteorologicalweathersciencemathtemperaturesnow depthoutdoor field-based activitiesenvironment educationsnow wetnessschool-based citizen science initiativeclimate changemeteorological datahydrological giswater resourcesclimateoutdoorsearth observation

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