hydrology

within 25 miles

Dec 3, 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 & Outdoorsmountainsnasa_nasaremote sensingcryospheresnowhydrology

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 Sciencewater levelcrowddroughtsoil moisturewaterriverhydrologycrowdwaterflow conditionsstreamflowstreamfloodtemporary streams

SPOTTERON GmbH

CrowdWater

Collecting hydrological data

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsOcean Water Marinestreamscitizen sciencewatercrowdwatercoastlineseamarine

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 & Outdoorsstreamflowcrowdwatergamestream levelstreamshydrologywaterwater levelriversflooddrought

NASA

Lake Observations by Citizen Scientists and Satellites

Help us observe and report lake levels!

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsClimate & WeatherOcean Water Marinesatellitenasa-sciactnasahydrologylimnologyriver_nasawater levellake

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 & EnvironmentBiologystreamflowbenthicmacroinvertebrateshydrologybugswatershedriversstreamsinsects

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 Marinenasa-sciactclimateprecipitationtechnologywaterrainhydrologynasa-supportedsnow_nasaweather

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 & EnvironmentBiologyspecieswoodlandheathlandplantsukterrestrialwetlandhabitatsgrasslandhedgerowevidenceecologybotanywildflower

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 returning rapidsgrand canyonmonitoring western grand canyonriver grand canyon colorado river lake meadreturning rapids water qualityclimate change droughtriver raftinghydrologylava cliffrapids river rafting river monitoring rapids lava cliffcolorado riverwater qualitylake meadwestern grand canyon hydrologydrought

SkNOWLEDGE COLLECTIVE

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

Anywhere

Ongoing

Citizen ScienceGeographyClimate & WeatherEducationmeteorologicalenvironment educationsnowsnow depthtemperatureoutdoor field-based activitieswater resourcesscienceclimateenvironmentclimate changeoutdoorsschool-based citizen science initiativehydrological snow wetnessmathmeteorological dataearth observationgisweather

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