{"id":"https://openalex.org/W3111908561","doi":null,"title":"A study on migration of contaminants and effect on the groundwater system at the Gemencheh domestic waste disposal site, Negeri Sembilan using integrated nuclear, geophysical and hydrogeochemical methods; Kajian migrasi bahan pencemaran dan kesan ke atas sistem air tanah di tapak pelupusan sisa domestik Gemencheh, Negeri Sembilan dengan paduan kaedah nuklear, geofizik dan hidrogeokimia","display_name":"A study on migration of contaminants and effect on the groundwater system at the Gemencheh domestic waste disposal site, Negeri Sembilan using integrated nuclear, geophysical and hydrogeochemical methods; Kajian migrasi bahan pencemaran dan kesan ke atas sistem air tanah di tapak pelupusan sisa domestik Gemencheh, Negeri Sembilan dengan paduan kaedah nuklear, geofizik dan hidrogeokimia","publication_year":2001,"publication_date":"2001-07-01","ids":{"openalex":"https://openalex.org/W3111908561","mag":"3111908561"},"language":"ms","primary_location":{"id":"mag:3111908561","doi":null,"is_oa":false,"landing_page_url":"https://www.osti.gov/etdeweb/biblio/22038179","pdf_url":null,"source":{"id":"https://openalex.org/S4306402487","display_name":"OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I139351228","host_organization_name":"Office of Scientific and Technical Information","host_organization_lineage":["https://openalex.org/I139351228"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","indexed_in":[],"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/A5033387256","display_name":"Abdul Rahman","orcid":"https://orcid.org/0000-0001-9851-0022","observed_orcids":["https://orcid.org/0000-0001-9851-0022"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Abdul Rahman","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0001-9851-0022","affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5083120378","display_name":"Mohd Yuhyi Mohd Tadza","orcid":"https://orcid.org/0000-0002-4790-3800","observed_orcids":["https://orcid.org/0000-0002-4790-3800"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mohd Yuhyi Mohd Tadza","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-4790-3800","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.51332848,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10894","display_name":"Groundwater flow and contamination studies","score":0.49390000104904175,"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/T10894","display_name":"Groundwater flow and contamination studies","score":0.49390000104904175,"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/T11952","display_name":"Landfill Environmental Impact Studies","score":0.22450000047683716,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Waste Management and Disposal"},"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/T10398","display_name":"Groundwater and Isotope Geochemistry","score":0.12870000302791595,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/groundwater-contamination","display_name":"groundwater contamination","score":0.5270000100135803},{"id":"https://openalex.org/keywords/domestic-waste-landfill","display_name":"domestic waste landfill","score":0.8500000238418579},{"id":"https://openalex.org/keywords/groundwater-velocity","display_name":"groundwater flow velocity","score":0.9200000166893005},{"id":"https://openalex.org/keywords/hydraulic-conductivity","display_name":"hydraulic conductivity","score":0.8550000190734863},{"id":"https://openalex.org/keywords/groundwater-hydrochemistry","display_name":"hydrogeochemistry","score":0.7490000128746033},{"id":"https://openalex.org/keywords/leachate-contamination","display_name":"leachate contamination","score":0.824999988079071},{"id":"https://openalex.org/keywords/chloride","display_name":"chloride","score":0.3779999911785126},{"id":"https://openalex.org/keywords/nitrate","display_name":"nitrate","score":0.9769999980926514},{"id":"https://openalex.org/keywords/heavy-metals","display_name":"heavy metals","score":0.9440000057220459},{"id":"https://openalex.org/keywords/negeri-sembilan","display_name":"Negeri Sembilan","score":0.824999988079071},{"id":"https://openalex.org/keywords/nuclear-techniques","display_name":"nuclear techniques","score":0.31299999356269836},{"id":"https://openalex.org/keywords/geophysical-methods","display_name":"geophysical methods","score":0.9079999923706055}],"concepts":[{"id":"https://openalex.org/C76177295","wikidata":"https://www.wikidata.org/wiki/Q161598","display_name":"Groundwater","level":2,"score":0.8056941628456116},{"id":"https://openalex.org/C131227075","wikidata":"https://www.wikidata.org/wiki/Q5611028","display_name":"Groundwater flow","level":4,"score":0.7343154549598694},{"id":"https://openalex.org/C63184880","wikidata":"https://www.wikidata.org/wiki/Q2783041","display_name":"Hydraulic conductivity","level":3,"score":0.6202128529548645},{"id":"https://openalex.org/C76886044","wikidata":"https://www.wikidata.org/wiki/Q2883300","display_name":"Hydrology (agriculture)","level":2,"score":0.5811707973480225},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.5655044913291931},{"id":"https://openalex.org/C52322663","wikidata":"https://www.wikidata.org/wiki/Q3117517","display_name":"Wet season","level":2,"score":0.4787023365497589},{"id":"https://openalex.org/C166693061","wikidata":"https://www.wikidata.org/wiki/Q5462119","display_name":"Flow velocity","level":3,"score":0.4665892422199249},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.37676241993904114},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.3700622320175171},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.28627467155456543},{"id":"https://openalex.org/C75622301","wikidata":"https://www.wikidata.org/wiki/Q208791","display_name":"Aquifer","level":3,"score":0.23632031679153442},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.20343554019927979},{"id":"https://openalex.org/C159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","level":2,"score":0.1593123972415924},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.1588122546672821},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:3111908561","doi":null,"is_oa":false,"landing_page_url":"https://www.osti.gov/etdeweb/biblio/22038179","pdf_url":null,"source":{"id":"https://openalex.org/S4306402487","display_name":"OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I139351228","host_organization_name":"Office of Scientific and Technical Information","host_organization_lineage":["https://openalex.org/I139351228"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Clean water and sanitation","id":"https://metadata.un.org/sdg/6","score":1.0}],"sustainable_development_goals_aurora":[{"display_name":"Clean water and sanitation","id":"https://metadata.un.org/sdg/6","score":0.7599999904632568}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"The":[0,68,288,360],"domestic":[1,346,404],"waste":[2,347,405],"disposal":[3,410],"site":[4,158,216,280,303,411],"at":[5,38,64,103,152,179,193,218,270,407,474],"Gemencheh,":[6],"Negeri":[7],"Sembilan":[8],"has":[9,412],"been":[10],"in":[11,60,87,208,257,293],"operation":[12],"since":[13],"1981.":[14],"Integration":[15],"of":[16,32,57,132,155,163,171,213,255,277,285,290,318,326,345,356,362,367,373,394,424,438,457,465],"three":[17,426],"methods":[18,427],"namely":[19],"nuclear,":[20],"geophysical":[21],"and":[22,30,77,101,169,188,211,234,242,253,273,316,339,352,440,446,462],"hydrogeochemical":[23,306],"were":[24,443],"used":[25,45,247,309],"to":[26,46,74,98,115,129,166,231,248,310,434,452,471],"study":[27,66,157,215,279,302,358,476],"the":[28,35,54,61,65,88,93,111,130,141,148,153,156,167,176,180,182,194,198,214,219,221,232,250,258,265,271,274,278,282,291,301,312,324,343,350,353,357,371,374,382,403,408,415,422,425,458,475],"migration":[29,55,461],"effects":[31],"contaminants":[33,292,459],"on":[34,79,134],"groundwater":[36,48,62,69,149,183,259,294,472],"system":[37,49,63],"this":[39],"particular":[40],"site.":[41,359,477],"Nuclear":[42],"method":[43,238,262,307,321],"was":[44,203,246,308,432],"determine":[47,249,311],"flow":[50,70,94,112,142,150,191,222,230],"velocity":[51,71,95,113],"that":[52,264,323,389,402,421],"delineates":[53],"pattern":[56,202,464],"contaminant":[58],"species":[59,313,325,364],"area.":[67],"is":[72,96,196,223,295,365,428],"found":[73,97],"be":[75,99,400],"heterogeneous":[76],"depend":[78],"hydraulic":[80,135],"conductivity":[81],"caused":[82],"by":[83,381],"soil":[84],"permeability":[85],"except":[86,386],"low-lying":[89],"downstream":[90,181,212,275,354],"area":[91,162],"where":[92],"low":[100,172],"constant":[102],"2.0":[104],"x":[105,120],"10{sup":[106,121],"-6}":[107],"ms{sup":[108,123],"-1}.":[109],"However,":[110],"increases":[114],"as":[116,118,379,448,450,467,469],"high":[117,164],"17.8":[119],"-5}":[122],"-1}":[124],"during":[125,145,205],"rainy":[126,206],"season":[127,207],"due":[128],"influence":[131],"weather":[133],"gradient.":[136],"Weather":[137],"condition":[138],"also":[139,419],"influences":[140],"direction,":[143],"whereby":[144],"draught":[146],"season,":[147],"direction":[151,192],"middle":[154,272,351],"moves":[159],"from":[160,342],"an":[161],"topography":[165,173],"northeast":[168,187],"southeast":[170,189],"areas.":[174],"On":[175],"other":[177],"hand,":[178],"flows":[184],"partially":[185],"towards":[186,197,225],"whereas":[190],"upstream":[195,210],"east.":[199],"A":[200],"similar":[201],"observed":[204],"both":[209],"but":[217,298],"middle,":[220],"basically":[224],"south-east":[226],"with":[227],"a":[228,392,436,454],"side":[229],"north-east":[233],"east":[235],"direction.":[236],"Geophysical":[237],"comprising":[239],"geo":[240],"electrical-imaging":[241],"electromagnetic":[243],"transient":[244],"techniques":[245],"extent,":[251],"depth":[252,284],"distribution":[254,289,463],"contamination":[256,466],"system.":[260],"This":[261,320,417],"shows":[263,322,420],"most":[266],"seriously":[267,413],"contaminated":[268,349,414],"areas":[269],"regions":[276,355],"within":[281,300],"shallow":[283],"3-6":[286],"metres.":[287],"not":[296],"widespread":[297],"confined":[299],"only.":[304],"Finally,":[305],"concentration,":[314],"rate":[315],"extent":[317],"contamination.":[319],"chlorides,":[327],"nitrates,":[328],"iron,":[329],"manganese,":[330],"lead,":[331],"mercury,":[332],"sodium,":[333],"potassium,":[334],"calcium,":[335],"magnesium,":[336],"sulphates,":[337],"chromium":[338],"cadmium":[340],"originating":[341],"leachate":[344],"had":[348,390],"concentration":[361],"these":[363],"tens":[366],"times":[368,396],"higher":[369],"than":[370],"limits":[372],"Drinking":[375],"Water":[376],"Quality":[377],"1984":[378],"stipulated":[380],"World":[383],"Health":[384],"Organisation":[385],"for":[387],"ferum":[388],"reached":[391],"value":[393],"700":[395],"higher.":[397],"It":[398],"can":[399],"concluded":[401],"dumped":[406],"Gemencheh":[409],"groundwater.":[416],"work":[418],"integration":[423],"useful":[429],"because":[430],"it":[431],"possible":[433],"compile":[435],"lot":[437],"data":[439],"information":[441],"which":[442],"complete,":[444],"detailed":[445],"extensive":[447],"well":[449,468],"able":[451],"provide":[453],"clear":[455],"picture":[456],"species,":[460],"impact":[470],"quality":[473],"(author)":[478]},"counts_by_year":[],"updated_date":"2025-11-06T04:12:42.849631","created_date":"2025-10-10T00:00:00"}