{"id":"https://openalex.org/W4387745872","doi":"https://doi.org/10.1016/j.envc.2023.100781","title":"Monitoring spatio-temporal drought dynamics using multiple indices in the dry land of the upper Tekeze Basin, Ethiopia","display_name":"Monitoring spatio-temporal drought dynamics using multiple indices in the dry land of the upper Tekeze Basin, Ethiopia","publication_year":2023,"publication_date":"2023-10-18","ids":{"openalex":"https://openalex.org/W4387745872","doi":"https://doi.org/10.1016/j.envc.2023.100781"},"language":"en","primary_location":{"id":"doi:10.1016/j.envc.2023.100781","doi":"https://doi.org/10.1016/j.envc.2023.100781","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.envc.2023.100781","pdf_url":null,"source":{"id":"https://openalex.org/S4210194378","display_name":"Environmental Challenges","issn_l":"2667-0100","issn":["2667-0100"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","jufo-1","norway-1","poland-20","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Environmental Challenges","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1016/j.envc.2023.100781","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5032520380","display_name":"Alemu Eshetu Fentaw","orcid":"https://orcid.org/0000-0001-6155-9375","observed_orcids":["https://orcid.org/0000-0001-6155-9375"]},"institutions":[{"id":"https://openalex.org/I4210159645","display_name":"Woldia University","ror":"https://ror.org/05a7f9k79","country_code":"ET","type":"education","lineage":["https://openalex.org/I4210159645"]},{"id":"https://openalex.org/I4537092","display_name":"Addis Ababa University","ror":"https://ror.org/038b8e254","country_code":"ET","type":"education","lineage":["https://openalex.org/I4537092"]}],"countries":["ET"],"is_corresponding":true,"raw_author_name":"Alemu Eshetu Fentaw","raw_affiliation_strings":["Department of Geography and Environmental Studies, Addis Ababa University, Addis Ababa, Ethiopia","Department of Geography and Environmental Studies, Woldia University, Woldia, Ethiopia"],"raw_orcid":"https://orcid.org/0000-0001-6155-9375","affiliations":[{"raw_affiliation_string":"Department of Geography and Environmental Studies, Addis Ababa University, Addis Ababa, Ethiopia","institution_ids":["https://openalex.org/I4537092"]},{"raw_affiliation_string":"Department of Geography and Environmental Studies, Woldia University, Woldia, Ethiopia","institution_ids":["https://openalex.org/I4210159645"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068072055","display_name":"Assefa Abegaz Yimer","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4537092","display_name":"Addis Ababa University","ror":"https://ror.org/038b8e254","country_code":"ET","type":"education","lineage":["https://openalex.org/I4537092"]}],"countries":["ET"],"is_corresponding":false,"raw_author_name":"Assefa Abegaz Yimer","raw_affiliation_strings":["Department of Geography and Environmental Studies, Addis Ababa University, Addis Ababa, Ethiopia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geography and Environmental Studies, Addis Ababa University, Addis Ababa, Ethiopia","institution_ids":["https://openalex.org/I4537092"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109689690","display_name":"Gebeyehu Abebe","orcid":"https://orcid.org/0000-0003-2954-7379","observed_orcids":["https://orcid.org/0000-0003-2954-7379"]},"institutions":[{"id":"https://openalex.org/I1282700336","display_name":"Debre Berhan University","ror":"https://ror.org/04e72vw61","country_code":"ET","type":"education","lineage":["https://openalex.org/I1282700336"]}],"countries":["ET"],"is_corresponding":false,"raw_author_name":"Gebeyehu Abebe Zeleke","raw_affiliation_strings":["Department of Natural Resources Management, Debre Berhan University, Debre Berhan, Ethiopia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Natural Resources Management, Debre Berhan University, Debre Berhan, Ethiopia","institution_ids":["https://openalex.org/I1282700336"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5032520380"],"corresponding_institution_ids":["https://openalex.org/I4210159645","https://openalex.org/I4537092"],"apc_list":{"value":1800,"currency":"USD","value_usd":1800},"apc_paid":{"value":1800,"currency":"USD","value_usd":1800},"fwci":3.2125,"has_fulltext":false,"cited_by_count":41,"citation_normalized_percentile":{"value":0.93281292,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"13","issue":null,"first_page":"100781","last_page":"100781"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11186","display_name":"Hydrology and Drought Analysis","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/T11186","display_name":"Hydrology and Drought Analysis","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/T10111","display_name":"Remote Sensing in Agriculture","score":9.999999747378752e-05,"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/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.0,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/drought-monitoring","display_name":"drought monitoring","score":0.8700000047683716},{"id":"https://openalex.org/keywords/standardized-precipitation-index","display_name":"Standardized Precipitation Index","score":0.8450000286102295},{"id":"https://openalex.org/keywords/vegetation-condition-index","display_name":"vegetation condition index","score":0.9860000014305115},{"id":"https://openalex.org/keywords/temperature-condition-index","display_name":"temperature condition index","score":0.9940000176429749},{"id":"https://openalex.org/keywords/vegetation-health-index","display_name":"vegetation health index","score":0.9900000095367432},{"id":"https://openalex.org/keywords/ndvi-trends","display_name":"NDVI trends","score":0.925000011920929},{"id":"https://openalex.org/keywords/land-surface-temperature","display_name":"land surface temperature","score":0.878000020980835},{"id":"https://openalex.org/keywords/dryland-agriculture","display_name":"rainfed agriculture","score":0.5009999871253967},{"id":"https://openalex.org/keywords/drought-risk-management","display_name":"drought risk management","score":0.7350000143051147},{"id":"https://openalex.org/keywords/rainfall-effects-on-vegetation","display_name":"rainfall effects on vegetation","score":0.5799999833106995}],"concepts":[{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6788521409034729},{"id":"https://openalex.org/C1549246","wikidata":"https://www.wikidata.org/wiki/Q718775","display_name":"Normalized Difference Vegetation Index","level":3,"score":0.6667743921279907},{"id":"https://openalex.org/C2777007095","wikidata":"https://www.wikidata.org/wiki/Q676840","display_name":"Moderate-resolution imaging spectroradiometer","level":3,"score":0.6664773225784302},{"id":"https://openalex.org/C107054158","wikidata":"https://www.wikidata.org/wiki/Q25257","display_name":"Precipitation","level":2,"score":0.5752350091934204},{"id":"https://openalex.org/C78869512","wikidata":"https://www.wikidata.org/wiki/Q5378810","display_name":"Enhanced vegetation index","level":5,"score":0.4537820816040039},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.4523032009601593},{"id":"https://openalex.org/C109007969","wikidata":"https://www.wikidata.org/wiki/Q749565","display_name":"Structural basin","level":2,"score":0.44326621294021606},{"id":"https://openalex.org/C150547873","wikidata":"https://www.wikidata.org/wiki/Q947851","display_name":"Watershed","level":2,"score":0.4367062747478485},{"id":"https://openalex.org/C49204034","wikidata":"https://www.wikidata.org/wiki/Q52139","display_name":"Climatology","level":1,"score":0.4048256576061249},{"id":"https://openalex.org/C100970517","wikidata":"https://www.wikidata.org/wiki/Q52107","display_name":"Physical geography","level":1,"score":0.39297887682914734},{"id":"https://openalex.org/C76886044","wikidata":"https://www.wikidata.org/wiki/Q2883300","display_name":"Hydrology (agriculture)","level":2,"score":0.35662826895713806},{"id":"https://openalex.org/C132651083","wikidata":"https://www.wikidata.org/wiki/Q7942","display_name":"Climate change","level":2,"score":0.29676392674446106},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.27713167667388916},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.12200728058815002},{"id":"https://openalex.org/C2780376076","wikidata":"https://www.wikidata.org/wiki/Q1499458","display_name":"Vegetation Index","level":4,"score":0.11257141828536987},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.11249122023582458},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.07112696766853333},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"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/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/j.envc.2023.100781","doi":"https://doi.org/10.1016/j.envc.2023.100781","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.envc.2023.100781","pdf_url":null,"source":{"id":"https://openalex.org/S4210194378","display_name":"Environmental Challenges","issn_l":"2667-0100","issn":["2667-0100"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","jufo-1","norway-1","poland-20","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Environmental Challenges","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:c82093b1e37c44b7878bbfbe5c313eab","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/c82093b1e37c44b7878bbfbe5c313eab","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":"Environmental Challenges, Vol 13, Iss , Pp 100781- (2023)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1016/j.envc.2023.100781","doi":"https://doi.org/10.1016/j.envc.2023.100781","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.envc.2023.100781","pdf_url":null,"source":{"id":"https://openalex.org/S4210194378","display_name":"Environmental Challenges","issn_l":"2667-0100","issn":["2667-0100"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","jufo-1","norway-1","poland-20","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Environmental Challenges","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.685699999332428,"id":"https://metadata.un.org/sdg/13","display_name":"Climate action"},{"score":0.6618000268936157,"id":"https://metadata.un.org/sdg/6","display_name":"Clean water and sanitation"},{"score":0.40450000762939453,"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320332183","display_name":"U.S. Geological Survey","ror":"https://ror.org/035a68863"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":73,"referenced_works":["https://openalex.org/W172355085","https://openalex.org/W1892641965","https://openalex.org/W1964386488","https://openalex.org/W1985825558","https://openalex.org/W1986125258","https://openalex.org/W1989279348","https://openalex.org/W2000511460","https://openalex.org/W2004010203","https://openalex.org/W2009534261","https://openalex.org/W2013755352","https://openalex.org/W2014927013","https://openalex.org/W2018764772","https://openalex.org/W2021365919","https://openalex.org/W2030811593","https://openalex.org/W2042585542","https://openalex.org/W2062045086","https://openalex.org/W2063134749","https://openalex.org/W2069267948","https://openalex.org/W2077385501","https://openalex.org/W2091201600","https://openalex.org/W2104157175","https://openalex.org/W2108564811","https://openalex.org/W2132375822","https://openalex.org/W2145730547","https://openalex.org/W2153179024","https://openalex.org/W2165662869","https://openalex.org/W2293006232","https://openalex.org/W2534363433","https://openalex.org/W2544453441","https://openalex.org/W2583821531","https://openalex.org/W2618540871","https://openalex.org/W2651113476","https://openalex.org/W2742963871","https://openalex.org/W2790238809","https://openalex.org/W2795550267","https://openalex.org/W2804362228","https://openalex.org/W2807939609","https://openalex.org/W2897388729","https://openalex.org/W2900676627","https://openalex.org/W2902724451","https://openalex.org/W2907170179","https://openalex.org/W2911587100","https://openalex.org/W2912742550","https://openalex.org/W2926379839","https://openalex.org/W2966420122","https://openalex.org/W2969895213","https://openalex.org/W2975649989","https://openalex.org/W2984588446","https://openalex.org/W2993225054","https://openalex.org/W3011004649","https://openalex.org/W3011325498","https://openalex.org/W3020270167","https://openalex.org/W3029354185","https://openalex.org/W3092724042","https://openalex.org/W3112718406","https://openalex.org/W3113532797","https://openalex.org/W3126694589","https://openalex.org/W3135819649","https://openalex.org/W3138849699","https://openalex.org/W3162042038","https://openalex.org/W3185732428","https://openalex.org/W4205865740","https://openalex.org/W4212886814","https://openalex.org/W4254525427","https://openalex.org/W4283260800","https://openalex.org/W4283756415","https://openalex.org/W4295763069","https://openalex.org/W4296041436","https://openalex.org/W4298233331","https://openalex.org/W4390498151","https://openalex.org/W6678568454","https://openalex.org/W6770296930","https://openalex.org/W6806296238"],"related_works":["https://openalex.org/W7169765558","https://openalex.org/W7214122642","https://openalex.org/W4416706177","https://openalex.org/W2132375822","https://openalex.org/W4411653753","https://openalex.org/W6939811527","https://openalex.org/W4403214819","https://openalex.org/W4360586887","https://openalex.org/W2972273446","https://openalex.org/W4416598790"],"abstract_inverted_index":{"Due":[0],"to":[1,26,73,93,227],"Ethiopia's":[2],"broad":[3],"variations":[4],"in":[5,118,169,176,183,203,229,234,240],"biophysical":[6],"and":[7,49,65,79,87,97,101,115,124,137,141,165,181,185,193,214],"climatic":[8],"variables,":[9],"an":[10],"accurate":[11],"understanding":[12],"of":[13,99,152,159,224],"local-level":[14],"drought":[15,20,29,81,117,216],"is":[16,195,238],"critical":[17,174],"for":[18,156],"sustainable":[19],"risk":[21],"management.":[22],"This":[23],"study":[24,220],"aims":[25],"monitor":[27],"spatio-temporal":[28],"dynamics":[30],"over":[31],"Tekeze":[32],"basin":[33,109],"from":[34,58],"1981\u20132021":[35],"using":[36],"Standard":[37],"Precipitation":[38],"Index":[39,43,47],"(SPI),":[40],"Vegetation":[41,50],"Condition":[42,46],"(VCI),":[44],"Temperature":[45],"(TCI),":[48],"health":[51],"Index(VHI).":[52],"The":[53,104,144,219],"analysis":[54,86,129],"relied":[55],"on":[56],"data":[57],"Moderate":[59],"Resolution":[60],"Imaging":[61],"Spectroradiometer":[62],"(MODIS)":[63],"datasets":[64],"CHIRPS-v2.":[66],"Google":[67],"Earth":[68],"Engine":[69],"(GEE)":[70],"was":[71,110],"used":[72],"obtain":[74],"data,":[75],"process":[76],"NDVI":[77,145],"trends,":[78],"calculate":[80],"indices":[82],"(DI).":[83],"Man-Kendall":[84],"trend":[85,96,149],"Pearson":[88],"correlation":[89],"were":[90,139],"also":[91],"employed":[92],"examine":[94],"the":[95,108,153,160,222],"association":[98],"DI":[100],"climate":[102],"variables.":[103],"SPI":[105],"showed":[106,146],"that":[107,131],"affected":[111],"by":[112],"moderate,":[113],"severe,":[114],"extreme":[116,142,215],"1884,":[119],"1985,":[120],"1987,":[121],"1993,":[122],"1997,":[123],"2015.":[125],"TCI":[126],"and,":[127],"VCI,":[128],"indicated":[130],"2002,":[132],"2004,":[133],"2009,":[134],"2015,":[135],"2016,":[136],"2017":[138],"severe":[140,213],"droughts.":[143],"a":[147,173],"decreasing":[148],"throughout":[150],"most":[151],"basin,":[154],"except":[155],"pocket":[157],"areas":[158,211],"managed":[161],"watershed,":[162],"area":[163],"closures,":[164],"irrigation":[166],"sites.":[167],"Rainfall":[168],"July":[170,184],"emerged":[171],"as":[172],"factor":[175],"determining":[177,241],"NDVI,":[178],"LST,":[179],"TCI,":[180],"VCI":[182,188,207,228],"August.":[186],"While":[187],"strongly":[189],"correlates":[190],"with":[191],"precipitation":[192,237],"LST":[194],"less":[196],"correlated.":[197],"Although":[198],"all":[199],"DIs":[200],"are":[201],"robust":[202],"assessing":[204],"agricultural":[205],"droughts,":[206],"detected":[208],"more":[209],"land":[210],"under":[212],"than":[217],"TCI.":[218],"underscores":[221],"importance":[223],"larger":[225],"weights":[226],"correctly":[230],"classifying":[231],"drought,":[232],"particularly":[233],"drylands":[235],"where":[236],"crucial":[239],"vegetation":[242],"health.":[243]},"counts_by_year":[{"year":2026,"cited_by_count":11},{"year":2025,"cited_by_count":21},{"year":2024,"cited_by_count":9}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2023-10-19T00:00:00"}
