How many Carolina bays? An analysis of Carolina bays from USGS topographic maps at different scales
Carolina bays are elliptical or oval geomorphologic depressions often characterized by the presence of shallow ponds or swamps that occur in the Atlantic Coastal Plain of the US from Delaware to Florida. Explanations of their origin include meteor impacts, subsidence from subsurface karst, and therm...
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ftunivpadovairis:oai:www.research.unipd.it:11577/3191496 2024-04-21T08:12:43+00:00 How many Carolina bays? An analysis of Carolina bays from USGS topographic maps at different scales PIOVAN, SILVIA Hodgson, Michael E. Piovan, Silvia Hodgson, Michael E. 2016 STAMPA http://hdl.handle.net/11577/3191496 https://doi.org/10.1080/15230406.2016.1162670 http://www.tandfonline.com/toc/tcag20/current#.UX5YJbWmio4 eng eng Taylor and Francis Inc. info:eu-repo/semantics/altIdentifier/wos/WOS:000399467200004 firstpage:1 lastpage:17 numberofpages:17 journal:CARTOGRAPHY AND GEOGRAPHIC INFORMATION SCIENCE http://hdl.handle.net/11577/3191496 doi:10.1080/15230406.2016.1162670 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84961392591 http://www.tandfonline.com/toc/tcag20/current#.UX5YJbWmio4 Atlantic Coastal Plain Carolina bay minimum mapping unit scale USGS Civil and Structural Engineering Management of Technology and Innovation Geography Planning and Development info:eu-repo/semantics/article 2016 ftunivpadovairis https://doi.org/10.1080/15230406.2016.1162670 2024-03-28T01:55:45Z Carolina bays are elliptical or oval geomorphologic depressions often characterized by the presence of shallow ponds or swamps that occur in the Atlantic Coastal Plain of the US from Delaware to Florida. Explanations of their origin include meteor impacts, subsidence from subsurface karst, and thermokarst or thaw lakes. Quantification of the number of Carolina bays, which may help in forming theoretical explanations for their origin, is also elusive ranging from 10,000 to 500,000. This research demonstrates the large variations in numbers of Carolina bays as a function of mapping scale, the most important factor in enumerating topographic features. The systematic skills from analysts and cartographers in the USGS who mapped Carolina bays on two different scale map series in the national mapping program was exploited. The results indicate the number of Carolina bays is twenty times greater when enumerated at a 1:24,000 scale as compared to a 1:100,000 scale. An empirical model of the frequency of Carolina bays using different minimum mapping units (MMUs) was developed and applied to estimate bay frequency at any MMU. A more reliable estimate of the number of Carolina bays in the U.S. using an MMU of 0.1 ha is between 40,000 and 50,000. Article in Journal/Newspaper Thermokarst Padua Research Archive (IRIS - Università degli Studi di Padova) Cartography and Geographic Information Science 44 4 310 326 |
institution |
Open Polar |
collection |
Padua Research Archive (IRIS - Università degli Studi di Padova) |
op_collection_id |
ftunivpadovairis |
language |
English |
topic |
Atlantic Coastal Plain Carolina bay minimum mapping unit scale USGS Civil and Structural Engineering Management of Technology and Innovation Geography Planning and Development |
spellingShingle |
Atlantic Coastal Plain Carolina bay minimum mapping unit scale USGS Civil and Structural Engineering Management of Technology and Innovation Geography Planning and Development PIOVAN, SILVIA Hodgson, Michael E. How many Carolina bays? An analysis of Carolina bays from USGS topographic maps at different scales |
topic_facet |
Atlantic Coastal Plain Carolina bay minimum mapping unit scale USGS Civil and Structural Engineering Management of Technology and Innovation Geography Planning and Development |
description |
Carolina bays are elliptical or oval geomorphologic depressions often characterized by the presence of shallow ponds or swamps that occur in the Atlantic Coastal Plain of the US from Delaware to Florida. Explanations of their origin include meteor impacts, subsidence from subsurface karst, and thermokarst or thaw lakes. Quantification of the number of Carolina bays, which may help in forming theoretical explanations for their origin, is also elusive ranging from 10,000 to 500,000. This research demonstrates the large variations in numbers of Carolina bays as a function of mapping scale, the most important factor in enumerating topographic features. The systematic skills from analysts and cartographers in the USGS who mapped Carolina bays on two different scale map series in the national mapping program was exploited. The results indicate the number of Carolina bays is twenty times greater when enumerated at a 1:24,000 scale as compared to a 1:100,000 scale. An empirical model of the frequency of Carolina bays using different minimum mapping units (MMUs) was developed and applied to estimate bay frequency at any MMU. A more reliable estimate of the number of Carolina bays in the U.S. using an MMU of 0.1 ha is between 40,000 and 50,000. |
author2 |
Piovan, Silvia Hodgson, Michael E. |
format |
Article in Journal/Newspaper |
author |
PIOVAN, SILVIA Hodgson, Michael E. |
author_facet |
PIOVAN, SILVIA Hodgson, Michael E. |
author_sort |
PIOVAN, SILVIA |
title |
How many Carolina bays? An analysis of Carolina bays from USGS topographic maps at different scales |
title_short |
How many Carolina bays? An analysis of Carolina bays from USGS topographic maps at different scales |
title_full |
How many Carolina bays? An analysis of Carolina bays from USGS topographic maps at different scales |
title_fullStr |
How many Carolina bays? An analysis of Carolina bays from USGS topographic maps at different scales |
title_full_unstemmed |
How many Carolina bays? An analysis of Carolina bays from USGS topographic maps at different scales |
title_sort |
how many carolina bays? an analysis of carolina bays from usgs topographic maps at different scales |
publisher |
Taylor and Francis Inc. |
publishDate |
2016 |
url |
http://hdl.handle.net/11577/3191496 https://doi.org/10.1080/15230406.2016.1162670 http://www.tandfonline.com/toc/tcag20/current#.UX5YJbWmio4 |
genre |
Thermokarst |
genre_facet |
Thermokarst |
op_relation |
info:eu-repo/semantics/altIdentifier/wos/WOS:000399467200004 firstpage:1 lastpage:17 numberofpages:17 journal:CARTOGRAPHY AND GEOGRAPHIC INFORMATION SCIENCE http://hdl.handle.net/11577/3191496 doi:10.1080/15230406.2016.1162670 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84961392591 http://www.tandfonline.com/toc/tcag20/current#.UX5YJbWmio4 |
op_doi |
https://doi.org/10.1080/15230406.2016.1162670 |
container_title |
Cartography and Geographic Information Science |
container_volume |
44 |
container_issue |
4 |
container_start_page |
310 |
op_container_end_page |
326 |
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