GLOBE Side Navigation


​​​​​​​Nitrates

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Protocol

Students will measure the nitrate-nitrogen content of water using a nitrate test kit.

Teachers Guide Supporting Protocols

Supporting Protocols

Protocols to help in completion of the main protocol

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Hydrosphere protocols introduction document.
Instructions are provided on how to select, describe and map a hydrosphere study site.
Students will first measure water transparency at their undisturbed study site using a transparency tube or Secchi disk.

Teachers Guide Field Guides


Field Guides

Step-by-step instructions for collection data according to the protocols.

Teachers Guide Data Sheets


Data Sheets

Sheets to be filled out during data collection

Teacher Guide Learning Activities


Learning Activities

Activities to help students learn more about the instruments and protocols

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Introduction document to the Hydrosphere Investigation Area Learning Activities.
Students will make a 3-dimensional model of a catchment basin to understand how water moves through the basin and explore how water is affected when there are changes in the basin.
Students will model the changes in soil water storage over a year.
In the classroom, students practice using the instruments or kits for protocols, exploring the range of measurements and sources of variation and error.
Students become acquainted with their Hydrosphere Study Site.

Teachers Guide Resources


Resources

Additional documents or tools related to the protocol