Item talk:Q226805

{

 "@context": "http://schema.org/",
 "@type": "WebPage",
 "additionalType": "Research",
 "url": "https://www.usgs.gov/centers/chesapeake-bay-activities/science/new-study-highlights-impact-current-and-historic-land-use",
 "headline": "New study highlights impact of current and historic land use on stream incision in Maryland Piedmont headwaters",
 "datePublished": "May 30, 2024",
 "author": [
   {
     "@type": "Person",
     "name": "Marina Metes",
     "url": "https://www.usgs.gov/staff-profiles/marina-metes",
     "identifier": {
       "@type": "PropertyValue",
       "propertyID": "orcid",
       "value": "0000-0002-6797-9837"
     }
   }
 ],
 "description": [
   {
     "@type": "TextObject",
     "text": "Metes, M.J., Miller, A.J., Baker, M.E., Hopkins, K.G., & Jones, D.K. (2024). Remotely mapping gullying and incision in Maryland Piedmont headwater streams using repeat airborne lidar, Geomorphology, Volume 455. https://doi.org/10.1016/j.geomorph.2024.109205"
   },
   {
     "@type": "TextObject",
     "text": "For this study, the channel bottom was used as the specific area and the adjacent stream bank was used as the surrounding landscape. This new application of landscape openness identifies incised streams as being more enclosed than non-incised streams and was then used to monitor changes in the relative degree of enclosure (i.e. incision) in an area experiencing rapid urban development. We were able to assess changes in stream incision in two urbanizing watersheds using this method and lidar data available for the study area from before and after development. We also included a nearby forested watershed for comparison that underwent little land use change during the study period from 2002 \u2013 2018, but was previously used for agriculture and then reforested in the 1970s."
   },
   {
     "@type": "TextObject",
     "text": "A new method was developed to remotely identify small, eroding streams and measure change over time."
   },
   {
     "@type": "TextObject",
     "text": "Urban or agricultural land use can result in stream incision, a condition where streams have steep, exposed banks that often erode and contribute excess sediment to downstream waterways.  Knowledge of the spatial extent of incised streams is helpful for prioritization of water resource management objectives. The increasing availability of more detailed landscape models derived from light detection and ranging (lidar) has expanded our ability to remotely detect the shape of small streams, which have traditionally been under-represented by existing methods."
   },
   {
     "@type": "TextObject",
     "text": "This study describes a new method to locate eroding streams using landscape openness, which characterizes how open or enclosed a specific area is relative to the surrounding landscape."
   }
 ],
 "funder": {
   "@type": "Organization",
   "name": "Chesapeake Bay Activities",
   "url": "https://www.usgs.gov/centers/chesapeake-bay-activities"
 },
 "about": [
   {
     "@type": "Thing",
     "name": "Land-Use Monitoring and Forecasting"
   },
   {
     "@type": "Thing",
     "name": "Land Use, Change, and Forecasting"
   },
   {
     "@type": "Thing",
     "name": "Methods and Analysis"
   },
   {
     "@type": "Thing",
     "name": "Geology"
   },
   {
     "@type": "Thing",
     "name": "Fish, Streams, and Water Quality"
   },
   {
     "@type": "Thing",
     "name": "Streams and Environmental Change"
   },
   {
     "@type": "Thing",
     "name": "Information Systems"
   },
   {
     "@type": "Thing",
     "name": "Energy"
   },
   {
     "@type": "Thing",
     "name": "Environmental Health"
   },
   {
     "@type": "Thing",
     "name": "Science Technology"
   },
   {
     "@type": "Thing",
     "name": "Water"
   }
 ]

}