We're in beta! If you find a bug or have feedback, let us know in our 
Boyce Thompson Arboretum
Boyce Thompson Arboretum: Homeschool Day – What’s for Dinner?
Boyce Thompson Arboretum Arizona
- October 24, 2025 at 7:00 AM
CommunityGeneral Science
flow conditions
within 25 miles
Oct 3, 2025
3 opportunities found! use fewer search filter criteria to find more opportunities
Filters
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 levelcrowddroughtfloodsoil moisturecrowdwaterriverflow conditionstemporary streamsstreamflowstreamwaterhydrology
CitSci.org
Lefthand Creek observations
Provide data for achieving minimal flow conditions
Anywhere
- Ongoing
Citizen Science
1