Simple infrared techniques for measuring beach surface moisture
ABSTRACT Knowledge of surface moisture on beaches is vital for aeolian process studies because moisture increases transport thresholds and limits mass flux. A number of beach surface moisture measurement techniques have been employed in the field, including sample extraction, commercial soil moistur...
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| Veröffentlicht in: | Earth surface processes and landforms 2013-02, Vol.38 (2), p.192-197 |
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| creator | Edwards, Brandon L. Namikas, Steven L. D'Sa, Eurico J. |
| description | ABSTRACT
Knowledge of surface moisture on beaches is vital for aeolian process studies because moisture increases transport thresholds and limits mass flux. A number of beach surface moisture measurement techniques have been employed in the field, including sample extraction, commercial soil moisture sensors, and remote sensing techniques. Each method has significant limitations in the context of aeolian process studies. This study was designed to test infrared optic techniques for measuring beach surface moisture. A simple infrared sensor (narrow‐band radiometer) was developed to measure beach surface moisture content. The accuracy and practical usability of the narrow‐band radiometer were assessed in comparison to a commercial handheld spectroradiometer. Field calibrations conducted at Cape San Blas, Florida and Padre Island, Texas indicated that the narrow‐band radiometer performed quite well. The R2 values exceeded 0·98 in each case, and the standard error averaged about 1% moisture content compared with gravimetric moisture contents determined from 1·5 mm deep surface scrapes. The performance of the two instruments was found to be comparable, with the narrow‐band radiometer slightly outperforming the spectroradiometer. In practical applications, the narrow‐band radiometer also has logistical advantages and is better suited to measure large numbers of points. Copyright © 2012 John Wiley & Sons, Ltd. |
| doi_str_mv | 10.1002/esp.3319 |
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Knowledge of surface moisture on beaches is vital for aeolian process studies because moisture increases transport thresholds and limits mass flux. A number of beach surface moisture measurement techniques have been employed in the field, including sample extraction, commercial soil moisture sensors, and remote sensing techniques. Each method has significant limitations in the context of aeolian process studies. This study was designed to test infrared optic techniques for measuring beach surface moisture. A simple infrared sensor (narrow‐band radiometer) was developed to measure beach surface moisture content. The accuracy and practical usability of the narrow‐band radiometer were assessed in comparison to a commercial handheld spectroradiometer. Field calibrations conducted at Cape San Blas, Florida and Padre Island, Texas indicated that the narrow‐band radiometer performed quite well. The R2 values exceeded 0·98 in each case, and the standard error averaged about 1% moisture content compared with gravimetric moisture contents determined from 1·5 mm deep surface scrapes. The performance of the two instruments was found to be comparable, with the narrow‐band radiometer slightly outperforming the spectroradiometer. In practical applications, the narrow‐band radiometer also has logistical advantages and is better suited to measure large numbers of points. Copyright © 2012 John Wiley & Sons, Ltd.</description><identifier>ISSN: 0197-9337</identifier><identifier>EISSN: 1096-9837</identifier><identifier>DOI: 10.1002/esp.3319</identifier><identifier>CODEN: ESPLDB</identifier><language>eng</language><publisher>Chichester: Blackwell Publishing Ltd</publisher><subject>aeolian ; beach surface moisture ; Beaches ; Bgi / Prodig ; coastal processes ; Geomorphology ; Infrared ; instrumentation ; Methods and techniques ; Moisture ; Moisture content ; Physical geography ; Radiometers ; Reproduction ; Sensors ; soil moisture measurement ; Spectroradiometers</subject><ispartof>Earth surface processes and landforms, 2013-02, Vol.38 (2), p.192-197</ispartof><rights>Copyright © 2012 John Wiley & Sons, Ltd.</rights><rights>Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2013</rights><rights>Copyright © 2013 John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a4509-ced462c70bcab45f3a325a9338bbc9a070249047fdfc93369d26e08a9f4898bc3</citedby><cites>FETCH-LOGICAL-a4509-ced462c70bcab45f3a325a9338bbc9a070249047fdfc93369d26e08a9f4898bc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fesp.3319$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fesp.3319$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27864704$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Edwards, Brandon L.</creatorcontrib><creatorcontrib>Namikas, Steven L.</creatorcontrib><creatorcontrib>D'Sa, Eurico J.</creatorcontrib><title>Simple infrared techniques for measuring beach surface moisture</title><title>Earth surface processes and landforms</title><addtitle>Earth Surf. Process. Landforms</addtitle><description>ABSTRACT
Knowledge of surface moisture on beaches is vital for aeolian process studies because moisture increases transport thresholds and limits mass flux. A number of beach surface moisture measurement techniques have been employed in the field, including sample extraction, commercial soil moisture sensors, and remote sensing techniques. Each method has significant limitations in the context of aeolian process studies. This study was designed to test infrared optic techniques for measuring beach surface moisture. A simple infrared sensor (narrow‐band radiometer) was developed to measure beach surface moisture content. The accuracy and practical usability of the narrow‐band radiometer were assessed in comparison to a commercial handheld spectroradiometer. Field calibrations conducted at Cape San Blas, Florida and Padre Island, Texas indicated that the narrow‐band radiometer performed quite well. The R2 values exceeded 0·98 in each case, and the standard error averaged about 1% moisture content compared with gravimetric moisture contents determined from 1·5 mm deep surface scrapes. The performance of the two instruments was found to be comparable, with the narrow‐band radiometer slightly outperforming the spectroradiometer. In practical applications, the narrow‐band radiometer also has logistical advantages and is better suited to measure large numbers of points. Copyright © 2012 John Wiley & Sons, Ltd.</description><subject>aeolian</subject><subject>beach surface moisture</subject><subject>Beaches</subject><subject>Bgi / Prodig</subject><subject>coastal processes</subject><subject>Geomorphology</subject><subject>Infrared</subject><subject>instrumentation</subject><subject>Methods and techniques</subject><subject>Moisture</subject><subject>Moisture content</subject><subject>Physical geography</subject><subject>Radiometers</subject><subject>Reproduction</subject><subject>Sensors</subject><subject>soil moisture measurement</subject><subject>Spectroradiometers</subject><issn>0197-9337</issn><issn>1096-9837</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFkF1LHDEYRkOx0NUK_QkDpdCbsW8-Jh9XRVy1hdUWbNG7kMm-qbHzsSY7WP-9WVwUhOJVSDgcnhxCPlA4oADsC-bVAefUvCEzCkbWRnO1Q2ZAjaoN5-od2c35BoBSoc2MfL2I_arDKg4huYTLao3-eoi3E-YqjKnq0eUpxeFP1aLz11W5BOex6seY11PC9-RtcF3G_e25R36fHP86-lYvfpx-Pzpc1E40YGqPSyGZV9B614omcMdZ48oe3bbeOFDAhAGhwjL48irNkkkE7UwoK3Xr-R75_OhdpXEzbm37mD12nRtwnLKlSjLKJW3gdVRwo5ikVBf04wv0ZpzSUD5iKVMMNIDSz0KfxpwTBrtKsXfp3lKwm-i2RLeb6AX9tBW67F1Xmg4-5ieeKS2FAlG4-pG7ix3e_9dnjy9-br1bvlTHf0-8S3-tVFw19vL81C7g5Ixezbmd8wdMJ50w</recordid><startdate>201302</startdate><enddate>201302</enddate><creator>Edwards, Brandon L.</creator><creator>Namikas, Steven L.</creator><creator>D'Sa, Eurico J.</creator><general>Blackwell Publishing Ltd</general><general>Wiley</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H96</scope><scope>KL.</scope><scope>KR7</scope><scope>L.G</scope></search><sort><creationdate>201302</creationdate><title>Simple infrared techniques for measuring beach surface moisture</title><author>Edwards, Brandon L. ; Namikas, Steven L. ; D'Sa, Eurico J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a4509-ced462c70bcab45f3a325a9338bbc9a070249047fdfc93369d26e08a9f4898bc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>aeolian</topic><topic>beach surface moisture</topic><topic>Beaches</topic><topic>Bgi / Prodig</topic><topic>coastal processes</topic><topic>Geomorphology</topic><topic>Infrared</topic><topic>instrumentation</topic><topic>Methods and techniques</topic><topic>Moisture</topic><topic>Moisture content</topic><topic>Physical geography</topic><topic>Radiometers</topic><topic>Reproduction</topic><topic>Sensors</topic><topic>soil moisture measurement</topic><topic>Spectroradiometers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Edwards, Brandon L.</creatorcontrib><creatorcontrib>Namikas, Steven L.</creatorcontrib><creatorcontrib>D'Sa, Eurico J.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Earth surface processes and landforms</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Edwards, Brandon L.</au><au>Namikas, Steven L.</au><au>D'Sa, Eurico J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Simple infrared techniques for measuring beach surface moisture</atitle><jtitle>Earth surface processes and landforms</jtitle><addtitle>Earth Surf. Process. Landforms</addtitle><date>2013-02</date><risdate>2013</risdate><volume>38</volume><issue>2</issue><spage>192</spage><epage>197</epage><pages>192-197</pages><issn>0197-9337</issn><eissn>1096-9837</eissn><coden>ESPLDB</coden><abstract>ABSTRACT
Knowledge of surface moisture on beaches is vital for aeolian process studies because moisture increases transport thresholds and limits mass flux. A number of beach surface moisture measurement techniques have been employed in the field, including sample extraction, commercial soil moisture sensors, and remote sensing techniques. Each method has significant limitations in the context of aeolian process studies. This study was designed to test infrared optic techniques for measuring beach surface moisture. A simple infrared sensor (narrow‐band radiometer) was developed to measure beach surface moisture content. The accuracy and practical usability of the narrow‐band radiometer were assessed in comparison to a commercial handheld spectroradiometer. Field calibrations conducted at Cape San Blas, Florida and Padre Island, Texas indicated that the narrow‐band radiometer performed quite well. The R2 values exceeded 0·98 in each case, and the standard error averaged about 1% moisture content compared with gravimetric moisture contents determined from 1·5 mm deep surface scrapes. The performance of the two instruments was found to be comparable, with the narrow‐band radiometer slightly outperforming the spectroradiometer. In practical applications, the narrow‐band radiometer also has logistical advantages and is better suited to measure large numbers of points. Copyright © 2012 John Wiley & Sons, Ltd.</abstract><cop>Chichester</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/esp.3319</doi><tpages>6</tpages></addata></record> |
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| subjects | aeolian beach surface moisture Beaches Bgi / Prodig coastal processes Geomorphology Infrared instrumentation Methods and techniques Moisture Moisture content Physical geography Radiometers Reproduction Sensors soil moisture measurement Spectroradiometers |
| title | Simple infrared techniques for measuring beach surface moisture |
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