{"id":"https://openalex.org/W1784528962","doi":"https://doi.org/10.4038/tar.v26i1.8082","title":"Morphometric analysis of the Gal Oya river basin using spatial data derived from GIS","display_name":"Morphometric analysis of the Gal Oya river basin using spatial data derived from GIS","publication_year":2015,"publication_date":"2015-11-18","ids":{"openalex":"https://openalex.org/W1784528962","doi":"https://doi.org/10.4038/tar.v26i1.8082","mag":"1784528962"},"language":"en","primary_location":{"id":"doi:10.4038/tar.v26i1.8082","doi":"https://doi.org/10.4038/tar.v26i1.8082","is_oa":true,"landing_page_url":"https://doi.org/10.4038/tar.v26i1.8082","pdf_url":null,"source":{"id":"https://openalex.org/S2764794040","display_name":"Tropical Agricultural Research","issn_l":"1016-1422","issn":["1016-1422","2706-0233"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","norway-1"],"host_organization":"https://openalex.org/P4353108586","host_organization_name":"Postgraduate Institute of Agriculture","host_organization_lineage":["https://openalex.org/P4353108586"],"host_organization_lineage_names":["Postgraduate Institute of Agriculture"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Tropical Agricultural Research","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/10.4038/tar.v26i1.8082","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5052761418","display_name":"N. S. Withanage","orcid":"https://orcid.org/0000-0002-0026-3201","observed_orcids":["https://orcid.org/0000-0002-0026-3201"]},"institutions":[{"id":"https://openalex.org/I111199411","display_name":"University of Peradeniya","ror":"https://ror.org/025h79t26","country_code":"LK","type":"education","lineage":["https://openalex.org/I111199411"]}],"countries":["LK"],"is_corresponding":false,"raw_author_name":"N.S. Withanage","raw_affiliation_strings":["University of Peradeniya"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Peradeniya","institution_ids":["https://openalex.org/I111199411"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111986049","display_name":"N. D. K. Dayawansa","orcid":"https://orcid.org/0009-0007-1608-0737","observed_orcids":["https://orcid.org/0009-0007-1608-0737"]},"institutions":[{"id":"https://openalex.org/I111199411","display_name":"University of Peradeniya","ror":"https://ror.org/025h79t26","country_code":"LK","type":"education","lineage":["https://openalex.org/I111199411"]}],"countries":["LK"],"is_corresponding":false,"raw_author_name":"N.D.K. Dayawansa","raw_affiliation_strings":["University of Peradeniya"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Peradeniya","institution_ids":["https://openalex.org/I111199411"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066958514","display_name":"R. P. De Silva","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I111199411","display_name":"University of Peradeniya","ror":"https://ror.org/025h79t26","country_code":"LK","type":"education","lineage":["https://openalex.org/I111199411"]}],"countries":["LK"],"is_corresponding":false,"raw_author_name":"R.P. De Silva","raw_affiliation_strings":["University of Peradeniya"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Peradeniya","institution_ids":["https://openalex.org/I111199411"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I111199411"],"apc_list":null,"apc_paid":null,"fwci":3.5038,"has_fulltext":false,"cited_by_count":78,"citation_normalized_percentile":{"value":0.90912572,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"26","issue":"1","first_page":"175","last_page":"175"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12543","display_name":"Groundwater and Watershed Analysis","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"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/T12543","display_name":"Groundwater and Watershed Analysis","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"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/T10330","display_name":"Hydrology and Watershed Management Studies","score":9.999999747378752e-05,"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/T12577","display_name":"Geography and Environmental Studies","score":0.0,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/watershed-morphometry","display_name":"watershed morphometry","score":0.8820000290870667},{"id":"https://openalex.org/keywords/river-networks","display_name":"river networks","score":0.5979999899864197},{"id":"https://openalex.org/keywords/strahler-order","display_name":"Strahler order","score":0.8159999847412109},{"id":"https://openalex.org/keywords/dendritic-drainage-pattern","display_name":"dendritic drainage","score":0.8980000019073486},{"id":"https://openalex.org/keywords/bifurcation-ratio","display_name":"bifurcation ratio","score":0.8679999709129333},{"id":"https://openalex.org/keywords/drainage-density","display_name":"drainage density","score":0.9980000257492065},{"id":"https://openalex.org/keywords/circularity-ratio","display_name":"circularity ratio","score":0.7730000019073486},{"id":"https://openalex.org/keywords/elongation-ratio","display_name":"elongation ratio","score":0.9089999794960022},{"id":"https://openalex.org/keywords/form-factors","display_name":"form factors","score":0.9210000038146973},{"id":"https://openalex.org/keywords/stream-frequency","display_name":"stream frequency","score":0.8320000171661377},{"id":"https://openalex.org/keywords/drainage-intensity","display_name":"drainage intensity","score":0.8999999761581421},{"id":"https://openalex.org/keywords/flood-potential","display_name":"flood potential","score":0.8999999761581421},{"id":"https://openalex.org/keywords/hydrological-characteristics","display_name":"hydrological characteristics","score":0.675000011920929}],"concepts":[{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.8243517279624939},{"id":"https://openalex.org/C63651461","wikidata":"https://www.wikidata.org/wiki/Q13106250","display_name":"Tropical agriculture","level":2,"score":0.5644108057022095},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.5130728483200073},{"id":"https://openalex.org/C137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","level":2,"score":0.5098730325698853},{"id":"https://openalex.org/C206345919","wikidata":"https://www.wikidata.org/wiki/Q20380951","display_name":"Resource (disambiguation)","level":2,"score":0.5009078979492188},{"id":"https://openalex.org/C128383755","wikidata":"https://www.wikidata.org/wiki/Q3816336","display_name":"Agricultural productivity","level":3,"score":0.43860742449760437},{"id":"https://openalex.org/C54286561","wikidata":"https://www.wikidata.org/wiki/Q397350","display_name":"Agroforestry","level":1,"score":0.42877405881881714},{"id":"https://openalex.org/C37621935","wikidata":"https://www.wikidata.org/wiki/Q3606845","display_name":"Agricultural science","level":1,"score":0.40216830372810364},{"id":"https://openalex.org/C48824518","wikidata":"https://www.wikidata.org/wiki/Q396340","display_name":"Agricultural economics","level":1,"score":0.3595031499862671},{"id":"https://openalex.org/C150903083","wikidata":"https://www.wikidata.org/wiki/Q7108","display_name":"Biotechnology","level":1,"score":0.33875250816345215},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.31009161472320557},{"id":"https://openalex.org/C97137747","wikidata":"https://www.wikidata.org/wiki/Q38112","display_name":"Forestry","level":1,"score":0.22999900579452515},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.20617592334747314},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.07377713918685913},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.4038/tar.v26i1.8082","doi":"https://doi.org/10.4038/tar.v26i1.8082","is_oa":true,"landing_page_url":"https://doi.org/10.4038/tar.v26i1.8082","pdf_url":null,"source":{"id":"https://openalex.org/S2764794040","display_name":"Tropical Agricultural Research","issn_l":"1016-1422","issn":["1016-1422","2706-0233"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","norway-1"],"host_organization":"https://openalex.org/P4353108586","host_organization_name":"Postgraduate Institute of Agriculture","host_organization_lineage":["https://openalex.org/P4353108586"],"host_organization_lineage_names":["Postgraduate Institute of Agriculture"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Tropical Agricultural Research","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:2baddab8def342f38fd215122485cc87","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/2baddab8def342f38fd215122485cc87","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Tropical Agricultural Research, Vol 26, Iss 1 (2015)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.4038/tar.v26i1.8082","doi":"https://doi.org/10.4038/tar.v26i1.8082","is_oa":true,"landing_page_url":"https://doi.org/10.4038/tar.v26i1.8082","pdf_url":null,"source":{"id":"https://openalex.org/S2764794040","display_name":"Tropical Agricultural Research","issn_l":"1016-1422","issn":["1016-1422","2706-0233"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","norway-1"],"host_organization":"https://openalex.org/P4353108586","host_organization_name":"Postgraduate Institute of Agriculture","host_organization_lineage":["https://openalex.org/P4353108586"],"host_organization_lineage_names":["Postgraduate Institute of Agriculture"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Tropical Agricultural Research","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W331845547","https://openalex.org/W1990436032","https://openalex.org/W2103439198","https://openalex.org/W2103922001","https://openalex.org/W2105250188","https://openalex.org/W2329605822"],"related_works":["https://openalex.org/W3010225621","https://openalex.org/W2561716011","https://openalex.org/W2775756223","https://openalex.org/W7154356012","https://openalex.org/W3009117166","https://openalex.org/W2990560601","https://openalex.org/W2282161399","https://openalex.org/W2982478975","https://openalex.org/W2986516122","https://openalex.org/W7221590949"],"abstract_inverted_index":{"Basin":[0],"morphometry":[1,33],"is":[2],"a":[3,11,111,143,150],"means":[4],"of":[5,10,20,34,82,87,122,146],"mathematically":[6],"quantifying":[7],"different":[8],"aspects":[9,81],"drainage":[12,113,117,125,136],"basin.":[13,84],"In":[14],"the":[15,21,32,35,51,73,76,83,88,92,96,107,140],"present":[16],"study,":[17],"morphometric":[18,69],"analysis":[19,74,86],"Gal":[22,36,97],"Oya":[23,37,98],"river":[24,38,89,103],"basin":[25,39,93,99,141],"was":[26,56],"done":[27],"to":[28,41,163],"elucidate":[29],"information":[30],"on":[31,50],"and":[40,46,79,91,115,135,153],"assess":[42],"its":[43],"hydrological":[44],"characteristics":[45],"flood":[47,155],"potentials":[48],"based":[49],"morphological":[52],"characteristics.":[53],"The":[54,68,119],"study":[55],"carried":[57],"out":[58],"using":[59],"spatial":[60],"data":[61],"obtained":[62,120],"from":[63,158,167],"Geographical":[64],"Information":[65],"Systems":[66],"(GIS).":[67],"parameters":[70],"considered":[71],"for":[72,149],"include":[75],"linear,":[77],"areal":[78],"relief":[80],"Morphometric":[85],"network":[90,104],"revealed":[94],"that":[95,139],"has":[100],"6th":[101],"order":[102],"(as":[105],"per":[106],"Strahler\u2019s":[108],"classification)":[109],"with":[110],"dendritic":[112],"pattern":[114],"moderate":[116],"texture.":[118],"values":[121],"bifurcation":[123],"ratio,":[124,128,130],"density,":[126],"circularity":[127],"elongation":[129],"form":[131],"factor,":[132],"stream":[133],"frequency":[134],"intensity":[137],"indicate":[138],"produces":[142],"flatter":[144],"peak":[145],"direct":[147],"runoff":[148],"longer":[151],"duration":[152],"such":[154],"flows":[156],"emerging":[157],"elongated":[159],"basins":[160],"are":[161],"easier":[162],"manage":[164],"than":[165],"those":[166],"circular":[168],"basins.":[169],"Tropical":[170],"Agricultural":[171],"Research":[172],"Vol.":[173],"26":[174],"(1):":[175],"175\u2013":[176],"188":[177],"(2014)":[178]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":11},{"year":2023,"cited_by_count":14},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":1}],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2016-06-24T00:00:00"}