The spectral responses of algal chlorophyll in water with varying levels of suspended sediment
The purpose of this paper is to investigate the spectral responses of algal chlorophyll and water, under natural sunlight with varying suspended sediment concentrations (SSC). Twenty levels of SSC with each of two sediment types were generated, ranging from 50 to 1000 mgl −1 , in 75101 of water cont...
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| Veröffentlicht in: | International journal of remote sensing 1994-12, Vol.15 (18), p.3707-3718 |
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| container_title | International journal of remote sensing |
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| creator | HAN, L. RUNDQUIST, D. C. LIU, L. L. FRASER, R. N. SCHALLES, J. F. |
| description | The purpose of this paper is to investigate the spectral responses of algal chlorophyll and water, under natural sunlight with varying suspended sediment concentrations (SSC). Twenty levels of SSC with each of two sediment types were generated, ranging from 50 to 1000 mgl
−1
, in 75101 of water containing chlorophyll-a concentrations of 718 μgl
−1
and 295 μgl
−1
. Results indicate that suspended sediments do not eliminate the prominent spectral patterns of algal chlorophyll, even as SSC reached 1000 mgl
−1
. Between 400 and 900 nm, the relation between reflectance and SSC satisfies the expression: d
2
R(λ)/dS
2 |
| doi_str_mv | 10.1080/01431169408954353 |
| format | Article |
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−1
, in 75101 of water containing chlorophyll-a concentrations of 718 μgl
−1
and 295 μgl
−1
. Results indicate that suspended sediments do not eliminate the prominent spectral patterns of algal chlorophyll, even as SSC reached 1000 mgl
−1
. Between 400 and 900 nm, the relation between reflectance and SSC satisfies the expression: d
2
R(λ)/dS
2
<0. The effects of varying SSC on the positions and magnitudes of pronounced chlorophyll features were investigated. The ratio between the NIR and red wavelengths was totally independent of SSC. Thus, our finding supports using it as an index for measuring chlorophyll in natural surface water containing suspended sediments.</description><identifier>ISSN: 0143-1161</identifier><identifier>EISSN: 1366-5901</identifier><identifier>DOI: 10.1080/01431169408954353</identifier><identifier>CODEN: IJSEDK</identifier><language>eng</language><publisher>Abingdon: Taylor & Francis Group</publisher><subject>Animal, plant and microbial ecology ; Biological and medical sciences ; Brackish ; Freshwater ; Fundamental and applied biological sciences. Psychology ; General aspects. Techniques ; Marine ; Teledetection and vegetation maps</subject><ispartof>International journal of remote sensing, 1994-12, Vol.15 (18), p.3707-3718</ispartof><rights>Copyright Taylor & Francis Group, LLC 1994</rights><rights>1995 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c387t-11e2e254c834751b6c28daaa00ada02465b6755cd7490da84baf9252ada9abd13</citedby><cites>FETCH-LOGICAL-c387t-11e2e254c834751b6c28daaa00ada02465b6755cd7490da84baf9252ada9abd13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.tandfonline.com/doi/pdf/10.1080/01431169408954353$$EPDF$$P50$$Ginformaworld$$H</linktopdf><linktohtml>$$Uhttps://www.tandfonline.com/doi/full/10.1080/01431169408954353$$EHTML$$P50$$Ginformaworld$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,59647,60436</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3416434$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>HAN, L.</creatorcontrib><creatorcontrib>RUNDQUIST, D. C.</creatorcontrib><creatorcontrib>LIU, L. L.</creatorcontrib><creatorcontrib>FRASER, R. N.</creatorcontrib><creatorcontrib>SCHALLES, J. F.</creatorcontrib><title>The spectral responses of algal chlorophyll in water with varying levels of suspended sediment</title><title>International journal of remote sensing</title><description>The purpose of this paper is to investigate the spectral responses of algal chlorophyll and water, under natural sunlight with varying suspended sediment concentrations (SSC). Twenty levels of SSC with each of two sediment types were generated, ranging from 50 to 1000 mgl
−1
, in 75101 of water containing chlorophyll-a concentrations of 718 μgl
−1
and 295 μgl
−1
. Results indicate that suspended sediments do not eliminate the prominent spectral patterns of algal chlorophyll, even as SSC reached 1000 mgl
−1
. Between 400 and 900 nm, the relation between reflectance and SSC satisfies the expression: d
2
R(λ)/dS
2
<0. The effects of varying SSC on the positions and magnitudes of pronounced chlorophyll features were investigated. The ratio between the NIR and red wavelengths was totally independent of SSC. Thus, our finding supports using it as an index for measuring chlorophyll in natural surface water containing suspended sediments.</description><subject>Animal, plant and microbial ecology</subject><subject>Biological and medical sciences</subject><subject>Brackish</subject><subject>Freshwater</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General aspects. 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F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c387t-11e2e254c834751b6c28daaa00ada02465b6755cd7490da84baf9252ada9abd13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><topic>Animal, plant and microbial ecology</topic><topic>Biological and medical sciences</topic><topic>Brackish</topic><topic>Freshwater</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General aspects. Techniques</topic><topic>Marine</topic><topic>Teledetection and vegetation maps</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>HAN, L.</creatorcontrib><creatorcontrib>RUNDQUIST, D. C.</creatorcontrib><creatorcontrib>LIU, L. L.</creatorcontrib><creatorcontrib>FRASER, R. N.</creatorcontrib><creatorcontrib>SCHALLES, J. F.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Pollution Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><jtitle>International journal of remote sensing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HAN, L.</au><au>RUNDQUIST, D. C.</au><au>LIU, L. L.</au><au>FRASER, R. N.</au><au>SCHALLES, J. F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The spectral responses of algal chlorophyll in water with varying levels of suspended sediment</atitle><jtitle>International journal of remote sensing</jtitle><date>1994-12-01</date><risdate>1994</risdate><volume>15</volume><issue>18</issue><spage>3707</spage><epage>3718</epage><pages>3707-3718</pages><issn>0143-1161</issn><eissn>1366-5901</eissn><coden>IJSEDK</coden><abstract>The purpose of this paper is to investigate the spectral responses of algal chlorophyll and water, under natural sunlight with varying suspended sediment concentrations (SSC). Twenty levels of SSC with each of two sediment types were generated, ranging from 50 to 1000 mgl
−1
, in 75101 of water containing chlorophyll-a concentrations of 718 μgl
−1
and 295 μgl
−1
. Results indicate that suspended sediments do not eliminate the prominent spectral patterns of algal chlorophyll, even as SSC reached 1000 mgl
−1
. Between 400 and 900 nm, the relation between reflectance and SSC satisfies the expression: d
2
R(λ)/dS
2
<0. The effects of varying SSC on the positions and magnitudes of pronounced chlorophyll features were investigated. The ratio between the NIR and red wavelengths was totally independent of SSC. Thus, our finding supports using it as an index for measuring chlorophyll in natural surface water containing suspended sediments.</abstract><cop>Abingdon</cop><pub>Taylor & Francis Group</pub><doi>10.1080/01431169408954353</doi><tpages>12</tpages></addata></record> |
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| ispartof | International journal of remote sensing, 1994-12, Vol.15 (18), p.3707-3718 |
| issn | 0143-1161 1366-5901 |
| language | eng |
| recordid | cdi_pascalfrancis_primary_3416434 |
| source | Taylor & Francis Journals Complete |
| subjects | Animal, plant and microbial ecology Biological and medical sciences Brackish Freshwater Fundamental and applied biological sciences. Psychology General aspects. Techniques Marine Teledetection and vegetation maps |
| title | The spectral responses of algal chlorophyll in water with varying levels of suspended sediment |
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