{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["005:18"], "contactPoint": {"fn": "Penn, Chad", "hasEmail": "mailto:chad.penn@usda.gov"}, "description": "<p>The P-TRAP software allows a user to design different types of phosphorus removal structures based on site conditions, phosphorus absorbing material characteristics and structure parameters. The P-TRAP software allows users to explore different designs to meet performance goals for P removal amounts and material lifetime. A database of P absorbing material characteristics is included based on previous laboratory experiments. </p><div><br>Resources in this dataset:</div><br><ul><li><p>Resource Title: Website Pointer to P-TRAP Phosphorus Transport Reduction App .</p> <p>File Name: Web Page, url: <a href=\"https://fargo.nserl.purdue.edu/p-trap/\">https://fargo.nserl.purdue.edu/p-trap/</a> </p><p>The P-Trap (\"Phosphorus Transport Reduction\") software streamlines the process by asking the user to enter four basic categories of information, starting with a drop-down menu offering different design options. The program then calculates specifications for building the structure based on data the user entered, including expected water-flow rates, annual volume, dissolved phosphorus concentration in water, drainage ditch depth and slope, pipe diameter and desired phosphorus removal rate.</p></li></ul><p></p>", "distribution": [{"@type": "dcat:Distribution", "downloadURL": "https://fargo.nserl.purdue.edu/p-trap/", "mediaType": "text/html", "title": "https://fargo.nserl.purdue.edu/p-trap/"}], "identifier": "10113/AA30873", "keyword": ["P-TRAP", "Phosphorus Transport Reduction App", "NP211", "Online database", "data.gov", "ARS"], "license": "https://www.usa.gov/publicdomain/label/1.0/", "modified": "2025-11-21", "programCode": ["005:040"], "publisher": {"@type": "org:Organization", "name": "Agricultural Research Service"}, "spatial": "{\"type\": \"Polygon\", \"coordinates\": [[[-163.828125, -66.990256467361], [-163.828125, 84.425184962488], [193.359375, 84.425184962488], [193.359375, -66.990256467361], [-163.828125, -66.990256467361]]]}", "temporal": "2019-04-01/2020-07-01", "title": "P-TRAP Phosphorus Transport Reduction App"}