{"id":"https://openalex.org/A5060010074","orcid":"https://orcid.org/0000-0002-6272-5504","observed_orcids":["https://orcid.org/0000-0002-6272-5504"],"display_name":"Hassan Hamidu","raw_author_names":["H Hamidu","H. Hamidu","Hamidu H.","Hamidu Hassan","Hassan Hamidu"],"full_name":"Hassan Hamidu","works_count":13,"cited_by_count":90,"summary_stats":{"2yr_mean_citedness":4.0,"h_index":6,"i10_index":3},"ids":{"openalex":"https://openalex.org/A5060010074","orcid":"https://orcid.org/0000-0002-6272-5504","observed_orcids":["https://orcid.org/0000-0002-6272-5504"]},"affiliations":[{"institution":{"id":"https://openalex.org/I12789410","ror":"https://ror.org/019apvn83","display_name":"Ahmadu Bello University","country_code":"NG","type":"education","lineage":["https://openalex.org/I12789410"]},"years":[2017]},{"institution":{"id":"https://openalex.org/I55202024","ror":"https://ror.org/006er0w72","display_name":"Usmanu Danfodiyo University","country_code":"NG","type":"education","lineage":["https://openalex.org/I55202024"]},"years":[2025,2021,2017,2016]},{"institution":{"id":"https://openalex.org/I876237426","ror":"https://ror.org/04fbh1w34","display_name":"Gombe State University","country_code":"NG","type":"education","lineage":["https://openalex.org/I876237426"]},"years":[2017]}],"last_known_institutions":[{"id":"https://openalex.org/I55202024","ror":"https://ror.org/006er0w72","display_name":"Usmanu Danfodiyo University","country_code":"NG","type":"education","lineage":["https://openalex.org/I55202024"]}],"topics":[{"id":"https://openalex.org/T12773","display_name":"Water Quality and Resources Studies","count":8,"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/T10894","display_name":"Groundwater flow and contamination studies","count":6,"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/T12543","display_name":"Groundwater and Watershed Analysis","count":6,"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/T11634","display_name":"Water Quality and Pollution Assessment","count":4,"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/T10139","display_name":"Heavy metals in environment","count":3,"subfield":{"id":"https://openalex.org/subfields/2310","display_name":"Pollution"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12543","display_name":"Groundwater and Watershed Analysis","value":7.28e-05,"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/T10894","display_name":"Groundwater flow and contamination studies","value":1.88e-05,"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/T12773","display_name":"Water Quality and Resources Studies","value":1.84e-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/T11634","display_name":"Water Quality and Pollution Assessment","value":1.47e-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/T12780","display_name":"Heavy Metal Pollution Remediation","value":1.13e-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"}}],"x_concepts":[{"id":"75622301","wikidata":"https://www.wikidata.org/wiki/Q208791","display_name":"Aquifer","score":0.9358627796173096},{"id":"76177295","wikidata":"https://www.wikidata.org/wiki/Q161598","display_name":"Groundwater","score":0.8085880875587463},{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.7815786600112915},{"id":"76886044","wikidata":"https://www.wikidata.org/wiki/Q2883300","display_name":"Hydrology (agriculture)","score":0.547909140586853},{"id":"187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","score":0.27355414628982544}],"counts_by_year":[{"year":2013,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2016,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2017,"works_count":5,"oa_works_count":5,"cited_by_count":1},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2020,"works_count":2,"oa_works_count":1,"cited_by_count":5},{"year":2021,"works_count":1,"oa_works_count":1,"cited_by_count":7},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":12},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":17}],"display_name_alternatives":["H Hamidu","H. Hamidu","Hamidu H.","Hamidu Hassan","Hassan Hamidu"],"block_key":"h hamidu","works_api_url":"https://api.openalex.org/works?filter=author.id:A5060010074","updated_date":"2026-11-04T11:47:51","created_date":"2016-06-24T00:00:00"}