Characterization of river delta shorelines
Coastline shape is among the basic geometric properties of the Earth's surface, yet defining and quantifying coastline shape precisely remains challenging. Here we propose new methods, based on the dilation and erosion operators of mathematical morphology (MM), for the characterization of delta...
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| Veröffentlicht in: | Geophysical research letters 2012-09, Vol.39 (17), p.n/a |
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| container_title | Geophysical research letters |
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| creator | Geleynse, N. Voller, V. R. Paola, C. Ganti, V. |
| description | Coastline shape is among the basic geometric properties of the Earth's surface, yet defining and quantifying coastline shape precisely remains challenging. Here we propose new methods, based on the dilation and erosion operators of mathematical morphology (MM), for the characterization of delta shorelines, a class of open coasts. We demonstrate the suitability of MM‐based methods for noise removal and shoreline identification from digital images of river deltas of varying geometric complexity. We also show that a global, a regional and a local shoreline parameter provide a first step in distinguishing among river, wave, and tidal dominated delta shapes.
Key Points
New methods for the identification of river delta shorelines are introduced
New measures for the quantification of shorelines are proposed
A first step is provided to partitioning of the global delta database |
| doi_str_mv | 10.1029/2012GL052845 |
| format | Article |
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Key Points
New methods for the identification of river delta shorelines are introduced
New measures for the quantification of shorelines are proposed
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Key Points
New methods for the identification of river delta shorelines are introduced
New measures for the quantification of shorelines are proposed
A first step is provided to partitioning of the global delta database</description><subject>Brackish</subject><subject>Coastlines</subject><subject>Coasts</subject><subject>Deltas</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Erosion</subject><subject>Exact sciences and technology</subject><subject>Freshwater</subject><subject>Geographic information systems</subject><subject>Geomorphology</subject><subject>Hydrology</subject><subject>Mathematical analysis</subject><subject>Mathematical morphology</subject><subject>river delta</subject><subject>Rivers</subject><subject>shoreline</subject><subject>Shorelines</subject><issn>0094-8276</issn><issn>1944-8007</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNqFkEtLAzEUhYMoWKs7f0BBBBFHb96TpRZblaIgPpYhzWRodJzRZKrWX29KSxEXurp38Z1z7j0I7WI4xkDUCQFMhiPgJGd8DXWwYizLAeQ66gCotBMpNtFWjE8AQIHiDjrsT0wwtnXBf5nWN3WvKXvBv7vQK1zVml6cNMFVvnZxG22UpopuZzm76H5wfte_yEY3w8v-6SizjIHICJC8UDy3paPGMSLmUQUHXuSOWVkYPi6xNMyKcixtUShLcU4ol2KMjVGOdtHBwvc1NG9TF1v94qN1VWVq10yjxoIRSiTh8n-UYUVlaoUldO8X-tRMQ50e0RiokiJniifqaEHZ0MQYXKlfg38xYZYgPe9Y_-w44ftLUxOtqcpgauvjSkNEyldqfidZcB--crM_PfXwdkQUoyKJsoXIx9Z9rkQmPGshqeT68Xqorx7O5DXAQBP6DRRRlhI</recordid><startdate>20120916</startdate><enddate>20120916</enddate><creator>Geleynse, N.</creator><creator>Voller, V. 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R.</au><au>Paola, C.</au><au>Ganti, V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characterization of river delta shorelines</atitle><jtitle>Geophysical research letters</jtitle><addtitle>Geophys. Res. Lett</addtitle><date>2012-09-16</date><risdate>2012</risdate><volume>39</volume><issue>17</issue><epage>n/a</epage><issn>0094-8276</issn><eissn>1944-8007</eissn><coden>GPRLAJ</coden><abstract>Coastline shape is among the basic geometric properties of the Earth's surface, yet defining and quantifying coastline shape precisely remains challenging. Here we propose new methods, based on the dilation and erosion operators of mathematical morphology (MM), for the characterization of delta shorelines, a class of open coasts. We demonstrate the suitability of MM‐based methods for noise removal and shoreline identification from digital images of river deltas of varying geometric complexity. We also show that a global, a regional and a local shoreline parameter provide a first step in distinguishing among river, wave, and tidal dominated delta shapes.
Key Points
New methods for the identification of river delta shorelines are introduced
New measures for the quantification of shorelines are proposed
A first step is provided to partitioning of the global delta database</abstract><cop>Washington, DC</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1029/2012GL052845</doi><tpages>6</tpages></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete; Wiley Online Library Free Content; Wiley Online Library AGU Free Content; EZB-FREE-00999 freely available EZB journals |
| subjects | Brackish Coastlines Coasts Deltas Earth sciences Earth, ocean, space Erosion Exact sciences and technology Freshwater Geographic information systems Geomorphology Hydrology Mathematical analysis Mathematical morphology river delta Rivers shoreline Shorelines |
| title | Characterization of river delta shorelines |
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