{"id":"https://openalex.org/W4414849643","doi":"https://doi.org/10.1007/s40808-025-02629-z","title":"Earth observation-based drought studies in Ethiopia: a review on current state and future research directions","display_name":"Earth observation-based drought studies in Ethiopia: a review on current state and future research directions","publication_year":2025,"publication_date":"2025-10-06","ids":{"openalex":"https://openalex.org/W4414849643","doi":"https://doi.org/10.1007/s40808-025-02629-z"},"language":"en","primary_location":{"id":"doi:10.1007/s40808-025-02629-z","doi":"https://doi.org/10.1007/s40808-025-02629-z","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s40808-025-02629-z","pdf_url":null,"source":{"id":"https://openalex.org/S2764607366","display_name":"Modeling Earth Systems and Environment","issn_l":"2363-6203","issn":["2363-6203","2363-6211"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-20","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Modeling Earth Systems and Environment","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5009483447","display_name":"Zerihun Chere","orcid":"https://orcid.org/0000-0002-4154-9943","observed_orcids":["https://orcid.org/0000-0002-4154-9943"]},"institutions":[{"id":"https://openalex.org/I3131880829","display_name":"Dire Dawa University","ror":"https://ror.org/01wfzer83","country_code":"ET","type":"education","lineage":["https://openalex.org/I3131880829"]}],"countries":["ET"],"is_corresponding":true,"raw_author_name":"Zerihun Chere","raw_affiliation_strings":["Dire Dawa University, Dire Dawa, Ethiopia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dire Dawa University, Dire Dawa, Ethiopia","institution_ids":["https://openalex.org/I3131880829"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066492144","display_name":"Aberaw Kefyalew","orcid":null,"observed_orcids":[]},"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"]}],"countries":["ET"],"is_corresponding":false,"raw_author_name":"Aberaw Kefyalew","raw_affiliation_strings":["Woldia University, Weldiya, Ethiopia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Woldia University, Weldiya, Ethiopia","institution_ids":["https://openalex.org/I4210159645"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5117197634","display_name":"Moges Gtachew Ebrea","orcid":"https://orcid.org/0009-0006-7642-9358","observed_orcids":["https://orcid.org/0009-0006-7642-9358"]},"institutions":[{"id":"https://openalex.org/I4405257672","display_name":"Oda Bultum University","ror":"https://ror.org/05j2hty04","country_code":"ET","type":"education","lineage":["https://openalex.org/I4405257672"]}],"countries":["ET"],"is_corresponding":false,"raw_author_name":"Moges Gtachew","raw_affiliation_strings":["Oda Bultum University, Chiro, Ethiopia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Oda Bultum University, Chiro, Ethiopia","institution_ids":["https://openalex.org/I4405257672"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5009483447"],"corresponding_institution_ids":["https://openalex.org/I3131880829"],"apc_list":{"value":3190,"currency":"USD","value_usd":3190},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"11","issue":"6","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11186","display_name":"Hydrology and Drought Analysis","score":0.9994999766349792,"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":0.9994999766349792,"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":0.00039999998989515007,"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":0.9959999918937683},{"id":"https://openalex.org/keywords/ethiopia","display_name":"Ethiopia","score":0.5910000205039978},{"id":"https://openalex.org/keywords/agricultural-drought","display_name":"agricultural drought","score":0.8560000061988831},{"id":"https://openalex.org/keywords/meteorological-drought","display_name":"meteorological drought","score":0.9399999976158142},{"id":"https://openalex.org/keywords/hydrological-drought","display_name":"hydrological drought","score":0.9990000128746033},{"id":"https://openalex.org/keywords/vegetation-condition-index","display_name":"vegetation condition index","score":0.7730000019073486},{"id":"https://openalex.org/keywords/vegetation-health-index","display_name":"vegetation health index","score":0.9200000166893005},{"id":"https://openalex.org/keywords/normalized-difference-vegetation-index","display_name":"NDVI","score":0.847000002861023},{"id":"https://openalex.org/keywords/standardized-precipitation-index","display_name":"Standardized Precipitation Index","score":0.9470000267028809},{"id":"https://openalex.org/keywords/standardized-precipitation-evaporation-index","display_name":"Standardized Precipitation Evaporation Index","score":0.8519999980926514},{"id":"https://openalex.org/keywords/chirps-rainfall","display_name":"CHIRPS precipitation","score":0.9139999747276306},{"id":"https://openalex.org/keywords/drought-indices","display_name":"drought indices","score":0.7839999794960022},{"id":"https://openalex.org/keywords/food-insecurity","display_name":"food insecurity","score":0.7730000019073486}],"concepts":[{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.6966000199317932},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5885000228881836},{"id":"https://openalex.org/C39399123","wikidata":"https://www.wikidata.org/wiki/Q1348989","display_name":"Earth observation","level":3,"score":0.5792999863624573},{"id":"https://openalex.org/C107054158","wikidata":"https://www.wikidata.org/wiki/Q25257","display_name":"Precipitation","level":2,"score":0.5583999752998352},{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.5475999712944031},{"id":"https://openalex.org/C1549246","wikidata":"https://www.wikidata.org/wiki/Q718775","display_name":"Normalized Difference Vegetation Index","level":3,"score":0.5385000109672546},{"id":"https://openalex.org/C2777382242","wikidata":"https://www.wikidata.org/wiki/Q6017816","display_name":"Index (typography)","level":2,"score":0.5192999839782715},{"id":"https://openalex.org/C133830359","wikidata":"https://www.wikidata.org/wiki/Q81041","display_name":"Water cycle","level":2,"score":0.503600001335144},{"id":"https://openalex.org/C128383755","wikidata":"https://www.wikidata.org/wiki/Q3816336","display_name":"Agricultural productivity","level":3,"score":0.44110000133514404},{"id":"https://openalex.org/C80368990","wikidata":"https://www.wikidata.org/wiki/Q3046459","display_name":"Earth system science","level":2,"score":0.4146000146865845},{"id":"https://openalex.org/C49204034","wikidata":"https://www.wikidata.org/wiki/Q52139","display_name":"Climatology","level":1,"score":0.41370001435279846},{"id":"https://openalex.org/C2777246098","wikidata":"https://www.wikidata.org/wiki/Q5159236","display_name":"Condition index","level":2,"score":0.38659998774528503},{"id":"https://openalex.org/C2780376076","wikidata":"https://www.wikidata.org/wiki/Q1499458","display_name":"Vegetation Index","level":4,"score":0.34689998626708984},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.34150001406669617},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.3398999869823456},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.3330000042915344},{"id":"https://openalex.org/C107826830","wikidata":"https://www.wikidata.org/wiki/Q929380","display_name":"Environmental resource management","level":1,"score":0.32749998569488525},{"id":"https://openalex.org/C132651083","wikidata":"https://www.wikidata.org/wiki/Q7942","display_name":"Climate change","level":2,"score":0.3262999951839447},{"id":"https://openalex.org/C2779962950","wikidata":"https://www.wikidata.org/wiki/Q5659376","display_name":"Harmonization","level":2,"score":0.32359999418258667},{"id":"https://openalex.org/C100970517","wikidata":"https://www.wikidata.org/wiki/Q52107","display_name":"Physical geography","level":1,"score":0.31200000643730164},{"id":"https://openalex.org/C78869512","wikidata":"https://www.wikidata.org/wiki/Q5378810","display_name":"Enhanced vegetation index","level":5,"score":0.3003999888896942},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.28519999980926514},{"id":"https://openalex.org/C153823671","wikidata":"https://www.wikidata.org/wiki/Q1049799","display_name":"Water resources","level":2,"score":0.2563000023365021},{"id":"https://openalex.org/C71941180","wikidata":"https://www.wikidata.org/wiki/Q7234817","display_name":"Potential evaporation","level":3,"score":0.25540000200271606}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s40808-025-02629-z","doi":"https://doi.org/10.1007/s40808-025-02629-z","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s40808-025-02629-z","pdf_url":null,"source":{"id":"https://openalex.org/S2764607366","display_name":"Modeling Earth Systems and Environment","issn_l":"2363-6203","issn":["2363-6203","2363-6211"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-20","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Modeling Earth Systems and Environment","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2","score":0.6875},{"display_name":"Climate action","id":"https://metadata.un.org/sdg/13","score":0.5351999998092651}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":64,"referenced_works":["https://openalex.org/W1541364032","https://openalex.org/W1967064886","https://openalex.org/W1970669626","https://openalex.org/W1998648756","https://openalex.org/W2004010203","https://openalex.org/W2077385501","https://openalex.org/W2077968790","https://openalex.org/W2082819436","https://openalex.org/W2104157175","https://openalex.org/W2121916691","https://openalex.org/W2132375822","https://openalex.org/W2261645655","https://openalex.org/W2345085948","https://openalex.org/W2400692827","https://openalex.org/W2525362891","https://openalex.org/W2586515816","https://openalex.org/W2604851075","https://openalex.org/W2613828678","https://openalex.org/W2726176538","https://openalex.org/W2737609272","https://openalex.org/W2781649186","https://openalex.org/W2784184607","https://openalex.org/W2806420036","https://openalex.org/W2807939609","https://openalex.org/W2810630262","https://openalex.org/W2810805923","https://openalex.org/W2849375481","https://openalex.org/W2898439276","https://openalex.org/W2899848994","https://openalex.org/W2902724451","https://openalex.org/W2913185517","https://openalex.org/W2922882700","https://openalex.org/W2940019197","https://openalex.org/W2955786086","https://openalex.org/W2966420122","https://openalex.org/W2984020684","https://openalex.org/W2987298190","https://openalex.org/W3004617717","https://openalex.org/W3029354185","https://openalex.org/W3038277988","https://openalex.org/W3083477755","https://openalex.org/W3111968344","https://openalex.org/W3115860682","https://openalex.org/W3126641878","https://openalex.org/W3138849699","https://openalex.org/W3138996807","https://openalex.org/W3158254415","https://openalex.org/W3162647248","https://openalex.org/W3202168825","https://openalex.org/W3202764538","https://openalex.org/W4210433294","https://openalex.org/W4210452703","https://openalex.org/W4210734204","https://openalex.org/W4212886814","https://openalex.org/W4213160504","https://openalex.org/W4220714727","https://openalex.org/W4220889822","https://openalex.org/W4283313380","https://openalex.org/W4283701240","https://openalex.org/W4283756415","https://openalex.org/W4290755880","https://openalex.org/W4293072934","https://openalex.org/W4313641452","https://openalex.org/W4389045408"],"related_works":["https://openalex.org/W4411668600","https://openalex.org/W4220889822","https://openalex.org/W4403273986","https://openalex.org/W7110511615","https://openalex.org/W2966420122","https://openalex.org/W7164842341","https://openalex.org/W7223444607","https://openalex.org/W4412835415","https://openalex.org/W4391765692","https://openalex.org/W4212886814"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2025-10-10T00:00:00"}