{"id":"https://openalex.org/W2980558449","doi":"https://doi.org/10.35701/rcgs.v21n2.521","title":"QUALIDADE DAS \u00c1GUAS E N\u00cdVEL TR\u00d3FICO DA BACIA DO RIO PACI\u00caNCIA NA ILHA DO MARANH\u00c3O, BRASIL","display_name":"QUALIDADE DAS \u00c1GUAS E N\u00cdVEL TR\u00d3FICO DA BACIA DO RIO PACI\u00caNCIA NA ILHA DO MARANH\u00c3O, BRASIL","publication_year":2019,"publication_date":"2019-09-30","ids":{"openalex":"https://openalex.org/W2980558449","doi":"https://doi.org/10.35701/rcgs.v21n2.521","mag":"2980558449"},"language":"pt","primary_location":{"id":"doi:10.35701/rcgs.v21n2.521","doi":"https://doi.org/10.35701/rcgs.v21n2.521","is_oa":true,"landing_page_url":"https://doi.org/10.35701/rcgs.v21n2.521","pdf_url":null,"source":{"id":"https://openalex.org/S4210196889","display_name":"Revista da Casa da Geografia de Sobral (RCGS)","issn_l":"1516-7712","issn":["1516-7712","2316-8056"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj"],"host_organization":"https://openalex.org/I330528248","host_organization_name":"State University of Vale do Acara\u00fa","host_organization_lineage":["https://openalex.org/I330528248"],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Revista da Casa da Geografia de Sobral (RCGS)","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.35701/rcgs.v21n2.521","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5034694850","display_name":"Elna Lucilia Santos Corr\u00eaa","orcid":"https://orcid.org/0000-0002-1072-1149","observed_orcids":["https://orcid.org/0000-0002-1072-1149"]},"institutions":[{"id":"https://openalex.org/I4210148707","display_name":"Universidade Estadual do Maranh\u00e3o","ror":"https://ror.org/04ja5n907","country_code":"BR","type":"education","lineage":["https://openalex.org/I4210148707"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Elna Lucilia Santos Corr\u00eaa","raw_affiliation_strings":["Universidade Estadual do Maranh\u00e3o - UEMA"],"raw_orcid":"https://orcid.org/0000-0002-1072-1149","affiliations":[{"raw_affiliation_string":"Universidade Estadual do Maranh\u00e3o - UEMA","institution_ids":["https://openalex.org/I4210148707"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070835215","display_name":"Karina Suzana Feitosa Pinheiro","orcid":"https://orcid.org/0000-0002-9915-2295","observed_orcids":["https://orcid.org/0000-0002-9915-2295"]},"institutions":[{"id":"https://openalex.org/I4210148707","display_name":"Universidade Estadual do Maranh\u00e3o","ror":"https://ror.org/04ja5n907","country_code":"BR","type":"education","lineage":["https://openalex.org/I4210148707"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Karina Suzana Feitosa Pinheiro","raw_affiliation_strings":["Universidade Estadual do Maranh\u00e3o - UEMA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universidade Estadual do Maranh\u00e3o - UEMA","institution_ids":["https://openalex.org/I4210148707"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016912834","display_name":"Camilo Pinto de Sousa","orcid":"https://orcid.org/0000-0002-1562-679X","observed_orcids":["https://orcid.org/0000-0002-1562-679X"]},"institutions":[{"id":"https://openalex.org/I4210148707","display_name":"Universidade Estadual do Maranh\u00e3o","ror":"https://ror.org/04ja5n907","country_code":"BR","type":"education","lineage":["https://openalex.org/I4210148707"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Cl\u00e1udio Jos\u00e9 Da Silva de Sousa","raw_affiliation_strings":["Universidade Estadual do Maranh\u00e3o - UEMA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universidade Estadual do Maranh\u00e3o - UEMA","institution_ids":["https://openalex.org/I4210148707"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019093155","display_name":"Luiz Jorge Bezerra da Silva Dias","orcid":"https://orcid.org/0000-0001-9850-4167","observed_orcids":["https://orcid.org/0000-0001-9850-4167"]},"institutions":[{"id":"https://openalex.org/I4210148707","display_name":"Universidade Estadual do Maranh\u00e3o","ror":"https://ror.org/04ja5n907","country_code":"BR","type":"education","lineage":["https://openalex.org/I4210148707"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Luiz Jorge Bezerra da Silva Dias","raw_affiliation_strings":["Universidade Estadual do Maranh\u00e3o - UEMA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universidade Estadual do Maranh\u00e3o - UEMA","institution_ids":["https://openalex.org/I4210148707"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210148707"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"21","issue":"2","first_page":"437","last_page":"453"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11634","display_name":"Water Quality and Pollution Assessment","score":0.739300012588501,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11634","display_name":"Water Quality and Pollution Assessment","score":0.739300012588501,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"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/T12773","display_name":"Water Quality and Resources Studies","score":0.23999999463558197,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"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/T10236","display_name":"Aquatic Ecosystems and Phytoplankton Dynamics","score":0.012900000438094139,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"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/water-quality","display_name":"water quality","score":0.7549999952316284},{"id":"https://openalex.org/keywords/eutrophication","display_name":"eutrophication","score":0.9639999866485596},{"id":"https://openalex.org/keywords/trophic-state","display_name":"trophic state","score":0.9490000009536743},{"id":"https://openalex.org/keywords/maranhao-island","display_name":"Maranh\u00e3o Island","score":0.8579999804496765},{"id":"https://openalex.org/keywords/physicochemical-parameters","display_name":"physicochemical parameters","score":0.8370000123977661},{"id":"https://openalex.org/keywords/phosphate","display_name":"phosphate","score":0.7170000076293945},{"id":"https://openalex.org/keywords/nitrate","display_name":"nitrate","score":0.9990000128746033},{"id":"https://openalex.org/keywords/conama-resolution-357-2005","display_name":"CONAMA Resolution 357/2005","score":0.7760000228881836},{"id":"https://openalex.org/keywords/groundwater-recharge","display_name":"groundwater recharge","score":0.7620000243186951},{"id":"https://openalex.org/keywords/sao-luis","display_name":"S\u00e3o Lu\u00eds","score":0.5400000214576721},{"id":"https://openalex.org/keywords/river-basins","display_name":"river basins","score":0.3919999897480011},{"id":"https://openalex.org/keywords/land-use-impacts","display_name":"land use effects","score":0.5759999752044678},{"id":"https://openalex.org/keywords/water-pollution","display_name":"water pollution","score":0.3230000138282776}],"concepts":[{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.5452448129653931},{"id":"https://openalex.org/C15708023","wikidata":"https://www.wikidata.org/wiki/Q80083","display_name":"Humanities","level":1,"score":0.4380709230899811},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.09517419338226318}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.35701/rcgs.v21n2.521","doi":"https://doi.org/10.35701/rcgs.v21n2.521","is_oa":true,"landing_page_url":"https://doi.org/10.35701/rcgs.v21n2.521","pdf_url":null,"source":{"id":"https://openalex.org/S4210196889","display_name":"Revista da Casa da Geografia de Sobral (RCGS)","issn_l":"1516-7712","issn":["1516-7712","2316-8056"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj"],"host_organization":"https://openalex.org/I330528248","host_organization_name":"State University of Vale do Acara\u00fa","host_organization_lineage":["https://openalex.org/I330528248"],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Revista da Casa da Geografia de Sobral (RCGS)","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.35701/rcgs.v21n2.521","doi":"https://doi.org/10.35701/rcgs.v21n2.521","is_oa":true,"landing_page_url":"https://doi.org/10.35701/rcgs.v21n2.521","pdf_url":null,"source":{"id":"https://openalex.org/S4210196889","display_name":"Revista da Casa da Geografia de Sobral (RCGS)","issn_l":"1516-7712","issn":["1516-7712","2316-8056"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj"],"host_organization":"https://openalex.org/I330528248","host_organization_name":"State University of Vale do Acara\u00fa","host_organization_lineage":["https://openalex.org/I330528248"],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Revista da Casa da Geografia de Sobral (RCGS)","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Clean water and sanitation","score":1.0,"id":"https://metadata.un.org/sdg/6"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4403388216","https://openalex.org/W7061770909","https://openalex.org/W2908692111","https://openalex.org/W7120393317","https://openalex.org/W3047564428","https://openalex.org/W4408833486","https://openalex.org/W1969705888","https://openalex.org/W7213401123","https://openalex.org/W7215011960","https://openalex.org/W7120370090"],"abstract_inverted_index":{"O":[0],"Brasil":[1],"apresenta":[2],"grande":[3],"disponibilidade":[4],"de":[5,41,44,47,62,68,86,103,176,179,383,390,401,421,424,427,444,451,455,464,472,488,493,502,512,533,542,553,577],"\u00e1gua":[6,127,173],"doce":[7],"em":[8,74,95],"seus":[9],"mananciais.":[10],"Fazendo":[11],"parte":[12],"desse":[13],"recurso":[14,392],"encontra-se,":[15],"o":[16,97,118],"rio":[17,56,136],"Paci\u00eancia,":[18],"localizado":[19],"na":[20,132],"Ilha":[21,182],"do":[22,51,66,129,135,183],"Maranh\u00e3o":[23,207],"destacado":[24],"pela":[25],"sua":[26,75],"import\u00e2ncia":[27],"local,":[28,408],"principalmente":[29,409],"por":[30,405,441],"contribuir":[31],"com":[32,159],"suas":[33,63],"\u00e1guas":[34],"para":[35],"recarga":[36],"dos":[37,72,80,139],"mananciais":[38],"subterr\u00e2neos,":[39],"fonte":[40],"abastecimento":[42],"p\u00fablico":[43,423],"v\u00e1rios":[45],"bairros":[46],"S\u00e3o":[48,234,428],"Lu\u00eds,":[49,235,429],"capital":[50,236,430],"estado.":[52,432],"No":[53],"entanto,":[54],"este":[55,391,435,508,513],"vem":[57],"sofrendo":[58],"comprometimento":[59],"da":[60,112,114,126,172],"qualidade":[61,85,113,125,171],"\u00e1guas,":[64],"consequ\u00eancia":[65],"processo":[67,94],"uso":[69,452],"e":[70,106,128],"ocupa\u00e7\u00e3o":[71],"espa\u00e7os":[73],"bacia.":[76],"Destacando-se":[77],"como":[78,447,462],"um":[79,109],"principais":[81],"problemas":[82,467],"relacionados":[83,468],"a":[84,89,124,160,251,301,359,415,531,569],"ambientes":[87,474],"fluviais,":[88],"eutrofiza\u00e7\u00e3o,":[90],"que":[91,96,164,403,478,485,562],"consiste":[92,479],"no":[93,174],"corpo":[98],"d\u2019\u00e1gua":[99],"adquire":[100],"elevados":[101],"n\u00edveis":[102],"nutrientes":[104,494],"(fosfatos":[105,495],"nitratos),":[107,497],"\u00e9":[108],"indicador":[110,500],"determinante":[111,501],"\u00e1gua.":[115],"Neste":[116],"sentido,":[117,509],"objetivo":[119,511],"deste":[120],"trabalho":[121],"foi":[122],"caracterizar":[123,516],"estado":[130,523],"tr\u00f3fico":[131,524],"bacia":[133],"hidrogr\u00e1fica":[134],"Paci\u00eancia":[137,200,326,530],"atr\u00e1ves":[138],"par\u00e2metros":[140],"fisico-qu\u00edmico":[141],"evidenciando":[142],"os":[143,148],"trechos":[144],"mais":[145],"comprometidos":[146],"conforme":[147],"valores":[149,546],"alcan\u00e7ados":[150],"nas":[151],"an\u00e1lises.":[152],"Os":[153],"resultados":[154,552],"das":[155],"an\u00e1lises":[156],"foram":[157],"comparados":[158],"CONAMA":[161,354,559],"No.":[162,355],"357/05":[163,356],"indicaram":[165],"uma":[166],"situa\u00e7\u00e3o":[167],"preocupante":[168,566],"quanto":[169],"\u00e0":[170],"local":[175,212],"estudo.Palavras-chave:":[177],"Qualidade":[178],"\u00e1gua;":[180],"Eutrofiza\u00e7\u00e3o;":[181],"Maranh\u00e3o.":[184,378,585],"ABSTRACTThe":[185],"Brazil":[186],"has":[187,243],"great":[188],"availability":[189],"of":[190,206,222,227,230,233,237,248,253,256,260,269,277,283,290,295,304,312,348,365,371,377],"fresh":[191],"water":[192,291,305,319,367],"in":[193,263,286,324,343],"its":[194,211,217,249,264],"springs.":[195],"Within":[196],"these":[197],"contexts,":[198],"the":[199,204,220,223,238,246,254,261,270,275,284,288,310,318,325,330,334,340,344,349,363,366,369],"River,":[201],"located":[202],"on":[203],"Island":[205,376],"stands":[208],"out":[209],"for":[210,215],"importance,":[213],"mainly":[214],"contributing":[216],"waters":[218],"to":[219,274,316,339],"recharge":[221],"underground":[224],"springs,":[225],"source":[226],"public":[228],"supply":[229],"several":[231],"districts":[232],"state.":[239],"However,":[240],"this":[241,308,313],"river":[242,327],"been":[244],"compromising":[245],"quality":[247,276,320,364],"waters,":[250],"consequence":[252],"process":[255,285],"use":[257],"and":[258,298,321],"occupation":[259],"spaces":[262],"basin.":[265],"Highlighting":[266],"as":[267],"one":[268],"main":[271],"problems":[272],"related":[273],"fluvial":[278],"environments,":[279],"eutrophication,":[280],"which":[281,287,357],"consists":[282],"body":[289],"acquires":[292],"high":[293],"levels":[294],"nutrients":[296],"(phosphates":[297],"nitrates),":[299],"is":[300],"determinant":[302],"indicator":[303],"quality.":[306],"In":[307],"sense,":[309],"objective":[311],"work":[314],"was":[315],"characterize":[317],"trophic":[322],"status":[323],"basin":[328],"through":[329],"physico-chemical":[331],"parameters,":[332],"showing":[333],"most":[335],"compromised":[336],"stretches":[337],"according":[338],"values":[341],"reached":[342],"analyzes.":[345],"The":[346],"results":[347],"analyzes":[350],"were":[351],"compared":[352],"with":[353],"indicated":[358],"worrying":[360],"situation":[361],"regarding":[362],"at":[368],"place":[370],"study.Keywords:":[372],"Water":[373],"quality;":[374],"Eutrophication;":[375],"RESUMENBrasil":[379],"tiene":[380],"gran":[381],"disponibilidad":[382],"agua":[384,489,520,573],"dulce":[385],"en":[386,398,458,480,483,525,548,574],"sus":[387,413,445],"manantiales.":[388],"Parte":[389],"es":[393,498],"el":[394,481,484,486,510,522,575],"r\u00edo":[395,436,529],"Paciencia,":[396],"ubicado":[397],"la":[399,442,470,476,503,517,526,570],"isla":[400],"Maranh\u00e3o,":[402],"destaca":[404],"su":[406,459],"importancia":[407],"porque":[410],"contribuye":[411],"con":[412,469,544,558,567],"aguas":[414],"recargar":[416],"las":[417,538],"fuentes":[418],"subterr\u00e1neas,":[419],"fuente":[420],"suministro":[422],"varios":[425],"barrios":[426],"del":[431,449,505,519,528,572,581],"Sin":[433],"embargo,":[434],"se":[437,556],"ha":[438],"visto":[439],"afectado":[440],"calidad":[443,471,504,518,571],"aguas,":[446],"consecuencia":[448],"proceso":[450,482],"y":[453,496,521],"ocupaci\u00f3n":[454],"los":[456,465,473,534,545,549,554],"espacios":[457],"cuenca.":[460],"Destacando":[461],"uno":[463],"principales":[466],"fluviales,":[475],"eutrofizaci\u00f3n,":[477],"cuerpo":[487],"adquiere":[490],"altos":[491],"niveles":[492],"un":[499],"agua.":[506],"En":[507],"trabajo":[514],"fue":[515],"cuenca":[527],"trav\u00e9s":[532],"par\u00e1metros":[535],"fisicoqu\u00edmicos,":[536],"mostrando":[537],"secciones":[539],"m\u00e1s":[540],"comprometidas":[541],"acuerdo":[543],"alcanzados":[547],"an\u00e1lisis.":[550],"Los":[551],"an\u00e1lisis":[555],"compararon":[557],"N\u00b0.":[560],"357/05,":[561],"indic\u00f3":[563],"una":[564],"situaci\u00f3n":[565],"respecto":[568],"sitio":[576],"estudio.Palabras":[578],"clave:":[579],"Calidad":[580],"agua;":[582],"Eutrofizaci\u00f3n,":[583],"Isla":[584]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2019-10-25T00:00:00"}