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On-farm soil test data for the Lower Chesapeake Legacy Phosphorus project, Caroline County, Maryland, USA, 2022, with corresponding topographic metrics derived from LIDAR DEM

Published by Agricultural Research Service | Department of Agriculture | Catalog Last Checked: June 12, 2026 at 11:18 PM | Dataset Last Updated: May 27, 2026
The USDA Legacy Phosphorus Project seeks to leverage watershed research with USDA NRCS (Natural Resource Conservation Service) and USDA ARS (Agricultural Research Service) to advance the science, innovation, and forecasting of legacy phosphorus (P) mitigation strategies. This project utilizes Conservation Effects Assessment Project (CEAP) watersheds in Lower Chesapeake Bay area.This dataset supports spatial analysis of Legacy Phosphorus dynamics in the Lower Chesapeake Bay watershed. It includes tabular data, shapefiles, and raster maps derived from field measurements and Random Forest modeling.The main data file contains multiple sheets to guide the user, see 'readme' and 'column descriptions' for details. The 'Data Summary' sheet has the primary data in tidy format.This project is funded by USDA-NRCS Conservation Effects Assessment Project (Agreement NRC21IRA0010879) including USDA Legacy Phosphorus Study, with additional funding provided by USDA-ARS intramural projects under Natural Resources and Sustainable Agricultural Systems National Programs, as well as the USDA Long-Term Agroecosystem Research (LTAR) Network.

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Complete Metadata
@type dcat:Dataset
accessLevel public
bureauCode 
[
  "005:18",
  "005:53"
]
contactPoint 
{
  "fn": "Hapeman, Cathleen",
  "hasEmail": "mailto:cathleen.hapeman@usda.gov"
}
description <p dir="ltr">The USDA Legacy Phosphorus Project seeks to leverage watershed research with USDA NRCS (Natural Resource Conservation Service) and USDA ARS (Agricultural Research Service) to advance the science, innovation, and forecasting of legacy phosphorus (P) mitigation strategies. This project utilizes Conservation Effects Assessment Project (CEAP) watersheds in Lower Chesapeake Bay area.</p><p dir="ltr">This dataset supports spatial analysis of Legacy Phosphorus dynamics in the Lower Chesapeake Bay watershed. It includes tabular data, shapefiles, and raster maps derived from field measurements and Random Forest modeling.</p><p dir="ltr">The main data file contains multiple sheets to guide the user, see 'readme' and 'column descriptions' for details. The 'Data Summary' sheet has the primary data in tidy format.</p><p dir="ltr">This project is funded by USDA-NRCS Conservation Effects Assessment Project (Agreement NRC21IRA0010879) including USDA Legacy Phosphorus Study, with additional funding provided by USDA-ARS intramural projects under Natural Resources and Sustainable Agricultural Systems National Programs, as well as the USDA Long-Term Agroecosystem Research (LTAR) Network.</p>
distribution 
[
  {
    "@type": "dcat:Distribution",
    "title": "Geodata ISO 19139 metadata",
    "format": "xml",
    "accessURL": "https://geodata.nal.usda.gov/geonetwork/srv/api/records/7d52d232-73b2-4fcd-a379-393d268b0232/formatters/xml",
    "mediaType": "text/xml",
    "conformsTo": "https://www.isotc211.org/2005/gmd"
  },
  {
    "@type": "dcat:Distribution",
    "title": "LCB_Data.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "downloadURL": "https://ndownloader.figshare.com/files/60815242"
  },
  {
    "@type": "dcat:Distribution",
    "title": "LCB-Modeling-map.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "downloadURL": "https://ndownloader.figshare.com/files/60815245"
  },
  {
    "@type": "dcat:Distribution",
    "title": "LCB_Gis-map.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "downloadURL": "https://ndownloader.figshare.com/files/60815536"
  },
  {
    "@type": "dcat:Distribution",
    "title": "LCB-Data release.txt",
    "format": "txt",
    "mediaType": "text/plain",
    "downloadURL": "https://ndownloader.figshare.com/files/60815539"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Readme.txt",
    "format": "txt",
    "mediaType": "text/plain",
    "downloadURL": "https://ndownloader.figshare.com/files/60815542"
  }
]
identifier 10.15482/USDA.ADC/29922563.v1
keyword 
[
  "CEAP",
  "CEAP Legacy Phosphorus",
  "LTAR",
  "Lower Chesapeake Bay",
  "USDA Legacy P Project"
]
license https://creativecommons.org/publicdomain/zero/1.0/
modified 2026-05-27
programCode 
[
  "005:040"
]
publisher 
{
  "name": "Agricultural Research Service",
  "@type": "org:Organization"
}
spatial 
"{"type": "Polygon", "coordinates": [[[-75.91345763956988, 38.962385403182374], [-75.90248151746508, 38.962385403182374], [-75.90248151746508, 38.969768740574196], [-75.91345763956988, 38.969768740574196], [-75.91345763956988, 38.962385403182374]]]}"
temporal 2022-03-01/2023-05-31
theme 
[
  "geospatial"
]
title On-farm soil test data for the Lower Chesapeake Legacy Phosphorus project, Caroline County, Maryland, USA, 2022, with corresponding topographic metrics derived from LIDAR DEM

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