hydrological

within 25 miles

Nov 1, 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 & Outdoorsmountainsnasahydrology_nasaremote sensingcryospheresnow

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 Scienceflow conditionswater levelhydrologycrowddroughtwaterstreamflowstreamfloodsoil moisturecrowdwatertemporary streamsriver

SPOTTERON GmbH

CrowdWater

Collecting hydrological data

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsOcean Water Marineseamarinecitizen sciencestreamscrowdwaterwatercoastline

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 & Outdoorsstreamflowstreamsriverswater leveldroughtgamestream levelhydrologywaterfloodcrowdwater

NASA

Lake Observations by Citizen Scientists and Satellites

Help us observe and report lake levels!

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsClimate & WeatherOcean Water Marine_nasasatelliteriverlimnologynasahydrologywater levelnasa-sciactlake

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 & EnvironmentBiologybugsriverswatershedstreamsmacroinvertebrateshydrologybenthicinsectsstreamflow

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 & Weatherclimatetechnologyweatherhydrologysnowwater_nasarainprecipitationnasa-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 & EnvironmentBiologyevidenceecologywetlandhabitatsgrasslandhedgerowwoodlandheathlandterrestrialplantsbotanywildflowerukspecies

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 Sciencewater qualityriverlava cliffmonitoring lava clifflake mead lake meadcolorado riverclimate change rapidsgrand canyon colorado riverrapidsdroughtreturning rapids river rafting western grand canyonhydrologyriver rafting water quality grand canyonwestern grand canyon returning rapids river drought hydrology monitoring

SkNOWLEDGE COLLECTIVE

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

Anywhere

Ongoing

Citizen ScienceGeographyClimate & WeatherEducationschool-based citizen science initiativemathsnowtemperatureenvironmentsnow wetnessmeteorological dataclimate changeenvironment educationweathergismeteorologicalhydrological climatesnow depthwater resourcesscienceoutdoorsearth observationoutdoor field-based activities

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