{"id":"https://openalex.org/A5004552889","orcid":"https://orcid.org/0000-0002-9646-2837","observed_orcids":["https://orcid.org/0000-0002-9646-2837"],"display_name":"Aissam Gaagai","raw_author_names":["A. Gaagai","Aissam Gaagai","GAAGAI, Aissam","Gaagai Aissam"],"full_name":"Aissam Gaagai","works_count":32,"cited_by_count":914,"summary_stats":{"2yr_mean_citedness":20.25,"h_index":15,"i10_index":18},"ids":{"openalex":"https://openalex.org/A5004552889","orcid":"https://orcid.org/0000-0002-9646-2837","observed_orcids":["https://orcid.org/0000-0002-9646-2837"]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210140819","ror":"https://ror.org/056ahff07","display_name":"CRSTRA","country_code":"DZ","type":"facility","lineage":["https://openalex.org/I4210140819"]},"years":[2026,2025,2024,2023,2022,2021,2020]},{"institution":{"id":"https://openalex.org/I4387153399","ror":"https://ror.org/02yvp6477","display_name":"University of Batna 2","country_code":"DZ","type":"education","lineage":["https://openalex.org/I4387153399"]},"years":[2017]}],"last_known_institutions":[{"id":"https://openalex.org/I4210140819","ror":"https://ror.org/056ahff07","display_name":"CRSTRA","country_code":"DZ","type":"facility","lineage":["https://openalex.org/I4210140819"]}],"topics":[{"id":"https://openalex.org/T11634","display_name":"Water Quality and Pollution Assessment","count":20,"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/T12773","display_name":"Water Quality and Resources Studies","count":18,"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/T10398","display_name":"Groundwater and Isotope Geochemistry","count":6,"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"}},{"id":"https://openalex.org/T11490","display_name":"Hydrological Forecasting Using AI","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/T14249","display_name":"Water Quality Monitoring and Analysis","count":4,"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"}}],"topic_share":[{"id":"https://openalex.org/T13882","display_name":"Research studies in Vietnam","value":0.0001168,"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/T11634","display_name":"Water Quality and Pollution Assessment","value":7.34e-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/T11490","display_name":"Hydrological Forecasting Using AI","value":5.91e-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":4.14e-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/T14249","display_name":"Water Quality Monitoring and Analysis","value":3.11e-05,"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"}}],"x_concepts":[{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.7561492323875427},{"id":"39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","score":0.7402999997138977},{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.707904040813446},{"id":"76886044","wikidata":"https://www.wikidata.org/wiki/Q2883300","display_name":"Hydrology (agriculture)","score":0.6541421413421631},{"id":"18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","score":0.49697306752204895}],"counts_by_year":[{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2017,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2020,"works_count":3,"oa_works_count":3,"cited_by_count":0},{"year":2021,"works_count":2,"oa_works_count":2,"cited_by_count":4},{"year":2022,"works_count":5,"oa_works_count":5,"cited_by_count":37},{"year":2023,"works_count":6,"oa_works_count":5,"cited_by_count":98},{"year":2024,"works_count":4,"oa_works_count":3,"cited_by_count":193},{"year":2025,"works_count":5,"oa_works_count":4,"cited_by_count":283},{"year":2026,"works_count":3,"oa_works_count":3,"cited_by_count":298}],"display_name_alternatives":["A. Gaagai","Aissam Gaagai","GAAGAI, Aissam","Gaagai Aissam"],"block_key":"a gaagai","works_api_url":"https://api.openalex.org/works?filter=author.id:A5004552889","updated_date":"2026-11-07T12:08:38","created_date":"2017-03-03T00:00:00"}