hydrology

within 25 miles

Sep 16, 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 & Outdoors_nasaremote sensingcryospheresnownasamountainshydrology

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 & Outdoorscrowdwaterriversoil moisturehydrologyflow conditionswaterfloodwater leveldroughtcrowdtemporary streamsstreamflowstream

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 & Weatherhydrologycrowdwatergamestream leveldroughtwaterstreamflowriversfloodwater levelstreams

NASA

Lake Observations by Citizen Scientists and Satellites

Help us observe and report lake levels!

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsClimate & WeatherOcean Water Marinelimnologywater levelnasa-sciactriver_nasalakenasahydrologysatellite

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 & EnvironmentBiologyhydrologywatershedbugsmacroinvertebratesriversstreamsbenthicstreamflowinsects

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 & Weatherhydrologysnow_nasawaterweatherrainnasa-sciactclimatetechnologyprecipitation

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 & EnvironmentBiologyevidencegrasslandecologyspecieshedgerowwoodlandheathlandterrestrialwildflowerbotanyukplantshabitatswetland

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 quality lava cliffrapids monitoringriver droughtdroughtclimate changereturning rapids returning rapids hydrology water quality riverhydrology grand canyon western grand canyon rapidsriver raftinglake meadgrand canyonmonitoringcolorado river river raftinglava cliff lake mead colorado riverwestern grand canyon

SkNOWLEDGE COLLECTIVE

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

Anywhere

Ongoing

Citizen ScienceGeographyClimate & WeatherEducationsnow depthweatherwater resourceshydrological environmentgismeteorologicalenvironment educationclimate changesnowschool-based citizen science initiativeoutdoorsmeteorological datasnow wetnessoutdoor field-based activitiesearth observationtemperaturemathscienceclimate

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