{"id":"https://openalex.org/W2172116366","doi":"https://doi.org/10.1109/igarss.2011.6049940","title":"Mapping of chlorophyll-a concentration of reservoir Dajingshan, Zhuhai, China, from LandSat thematic mapper","display_name":"Mapping of chlorophyll-a concentration of reservoir Dajingshan, Zhuhai, China, from LandSat thematic mapper","publication_year":2011,"publication_date":"2011-07-01","ids":{"openalex":"https://openalex.org/W2172116366","doi":"https://doi.org/10.1109/igarss.2011.6049940","mag":"2172116366"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2011.6049940","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2011.6049940","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5014053320","display_name":"Yujiu Xiong","orcid":"https://orcid.org/0000-0002-5762-3538"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yujiu Xiong","raw_affiliation_strings":["Department of Water Resources and Environment, Geography and Planning School, Sun Yat-Sen University, Guangzhou, Guangdong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Water Resources and Environment, Geography and Planning School, Sun Yat-Sen University, Guangzhou, Guangdong, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066350606","display_name":"Xiaohong Chen","orcid":"https://orcid.org/0000-0003-0809-5297"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaohong Chen","raw_affiliation_strings":["Department of Water Resources and Environment, Geography and Planning School, Sun Yat-Sen University, Guangzhou, Guangdong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Water Resources and Environment, Geography and Planning School, Sun Yat-Sen University, Guangzhou, Guangdong, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035697476","display_name":"Guoyu Qiu","orcid":"https://orcid.org/0000-0002-7521-3911"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"GuoYu Qiu","raw_affiliation_strings":["Key Laboratory for Urban Habitat Environmental Science and Technology, School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory for Urban Habitat Environmental Science and Technology, School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002323518","display_name":"TAN Shenglin","orcid":null},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shenglin Tan","raw_affiliation_strings":["Department of Water Resources and Environment, Geography and Planning School, Sun Yat-Sen University, Guangzhou, Guangdong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Water Resources and Environment, Geography and Planning School, Sun Yat-Sen University, Guangzhou, Guangdong, China","institution_ids":["https://openalex.org/I157773358"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.0965,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.90761905,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"132","issue":null,"first_page":"3366","last_page":"3369"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10032","display_name":"Marine and coastal ecosystems","score":0.9818999767303467,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10032","display_name":"Marine and coastal ecosystems","score":0.9818999767303467,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9745000004768372,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14249","display_name":"Water Quality Monitoring and Analysis","score":0.9686999917030334,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/thematic-mapper","display_name":"Thematic Mapper","score":0.9119722843170166},{"id":"https://openalex.org/keywords/eutrophication","display_name":"Eutrophication","score":0.6896892786026001},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5927133560180664},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5905170440673828},{"id":"https://openalex.org/keywords/water-quality","display_name":"Water quality","score":0.5750254988670349},{"id":"https://openalex.org/keywords/chlorophyll-a","display_name":"Chlorophyll a","score":0.5691776275634766},{"id":"https://openalex.org/keywords/thematic-map","display_name":"Thematic map","score":0.5391358137130737},{"id":"https://openalex.org/keywords/ground-truth","display_name":"Ground truth","score":0.5340867042541504},{"id":"https://openalex.org/keywords/estuary","display_name":"Estuary","score":0.45494532585144043},{"id":"https://openalex.org/keywords/chlorophyll","display_name":"Chlorophyll","score":0.421196311712265},{"id":"https://openalex.org/keywords/hydrology","display_name":"Hydrology (agriculture)","score":0.3822875916957855},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2580786943435669},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.20426318049430847},{"id":"https://openalex.org/keywords/satellite-imagery","display_name":"Satellite imagery","score":0.1913619041442871},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.16005000472068787},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.1469576358795166},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.14090535044670105},{"id":"https://openalex.org/keywords/oceanography","display_name":"Oceanography","score":0.1335526406764984},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.08171918988227844},{"id":"https://openalex.org/keywords/nutrient","display_name":"Nutrient","score":0.07686614990234375}],"concepts":[{"id":"https://openalex.org/C2775938548","wikidata":"https://www.wikidata.org/wiki/Q1565182","display_name":"Thematic Mapper","level":3,"score":0.9119722843170166},{"id":"https://openalex.org/C186699998","wikidata":"https://www.wikidata.org/wiki/Q156698","display_name":"Eutrophication","level":3,"score":0.6896892786026001},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5927133560180664},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5905170440673828},{"id":"https://openalex.org/C2780797713","wikidata":"https://www.wikidata.org/wiki/Q625376","display_name":"Water quality","level":2,"score":0.5750254988670349},{"id":"https://openalex.org/C2778902199","wikidata":"https://www.wikidata.org/wiki/Q133878","display_name":"Chlorophyll a","level":2,"score":0.5691776275634766},{"id":"https://openalex.org/C93692415","wikidata":"https://www.wikidata.org/wiki/Q1502030","display_name":"Thematic map","level":2,"score":0.5391358137130737},{"id":"https://openalex.org/C146849305","wikidata":"https://www.wikidata.org/wiki/Q370766","display_name":"Ground truth","level":2,"score":0.5340867042541504},{"id":"https://openalex.org/C88160329","wikidata":"https://www.wikidata.org/wiki/Q47053","display_name":"Estuary","level":2,"score":0.45494532585144043},{"id":"https://openalex.org/C2776373379","wikidata":"https://www.wikidata.org/wiki/Q43177","display_name":"Chlorophyll","level":2,"score":0.421196311712265},{"id":"https://openalex.org/C76886044","wikidata":"https://www.wikidata.org/wiki/Q2883300","display_name":"Hydrology (agriculture)","level":2,"score":0.3822875916957855},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2580786943435669},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.20426318049430847},{"id":"https://openalex.org/C2778102629","wikidata":"https://www.wikidata.org/wiki/Q725252","display_name":"Satellite imagery","level":2,"score":0.1913619041442871},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.16005000472068787},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.1469576358795166},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.14090535044670105},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.1335526406764984},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.08171918988227844},{"id":"https://openalex.org/C142796444","wikidata":"https://www.wikidata.org/wiki/Q181394","display_name":"Nutrient","level":2,"score":0.07686614990234375},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2011.6049940","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2011.6049940","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Life below water","score":0.5199999809265137,"id":"https://metadata.un.org/sdg/14"},{"display_name":"Clean water and sanitation","score":0.4399999976158142,"id":"https://metadata.un.org/sdg/6"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1974175752","https://openalex.org/W1982594136","https://openalex.org/W1982787890","https://openalex.org/W1983834454","https://openalex.org/W1994796969","https://openalex.org/W2016613000","https://openalex.org/W2017063203","https://openalex.org/W2042570973","https://openalex.org/W2043836071","https://openalex.org/W2081122220","https://openalex.org/W2085022760","https://openalex.org/W2172000864","https://openalex.org/W2258560471","https://openalex.org/W2463973395","https://openalex.org/W4285719527","https://openalex.org/W6646150762","https://openalex.org/W6692557340","https://openalex.org/W6719330746"],"related_works":["https://openalex.org/W2063262193","https://openalex.org/W2342509369","https://openalex.org/W2061775097","https://openalex.org/W1598016850","https://openalex.org/W2478500201","https://openalex.org/W2375411139","https://openalex.org/W2153261161","https://openalex.org/W56404221","https://openalex.org/W2349996602","https://openalex.org/W2384144494"],"abstract_inverted_index":{"Chlorophyll":[0],"a":[1,81,111],"(Chl-a)":[2],"is":[3],"an":[4,63],"indicator":[5],"of":[6,10,42,88,115],"water":[7,68,140],"quality,":[8],"especially":[9],"eutrophic":[11,136],"state.":[12],"Remote":[13],"sensing":[14],"has":[15],"been":[16],"used":[17,144],"to":[18,29,34,46,54,91],"mapping":[19],"Chl-a":[20,58],"in":[21,60,70,103,135],"lake,":[22],"large":[23],"river,":[24],"estuary":[25],"and":[26,38,51,56,138],"ocean,":[27],"due":[28],"its":[30],"andvantages":[31],"such":[32],"as":[33,145],"provide":[35],"data":[36],"logistically":[37],"economically.":[39],"The":[40,95,125],"aim":[41],"this":[43],"paper":[44],"was":[45,93,134],"use":[47],"LandSat":[48],"TM":[49],"image":[50],"suitable":[52,83],"algorithm":[53,84],"estimate":[55],"map":[57,128],"concentration":[59,102],"reservoir":[61],"Dajingshan,":[62],"important":[64],"source":[65],"for":[66],"drinking":[67,146],"supply":[69],"Zhuhai":[71],"city,":[72],"China.":[73],"After":[74],"comparing":[75],"several":[76],"simple":[77],"linear":[78],"regression":[79],"algorithms,":[80],"most":[82],"using":[85],"brightness":[86],"value":[87],"bands":[89],"1":[90],"4,":[92],"adopted.":[94],"results":[96],"showed":[97,129],"that":[98,130],"the":[99,121,131,139],"modeled":[100],"chl-a":[101,126],"November":[104],"23th,":[105],"2005":[106],"had":[107],"reasonable":[108],"accuracy,":[109],"with":[110,120],"mean":[112],"absolute":[113],"error":[114],"0.002":[116],"mg/L":[117],"when":[118],"compared":[119],"ground":[122],"truth":[123],"measurements.":[124],"concetration":[127],"reservior":[132],"Dajingshan":[133],"conditions":[137],"could":[141],"not":[142],"be":[143],"water.":[147]},"counts_by_year":[{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
