{"id":"https://openalex.org/A5113481655","orcid":null,"observed_orcids":[],"display_name":"Donald H. Gray","raw_author_names":["DONALD H. GRAY","Donald Gray","Donald H. Gray","Donald H. Gray PhD","Gray, Donald H.","Gray,Donald H."],"full_name":"Donald H. Gray PhD","works_count":125,"cited_by_count":3963,"summary_stats":{"2yr_mean_citedness":271.0,"h_index":24,"i10_index":31},"ids":{"openalex":"https://openalex.org/A5113481655","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1312222531","ror":"https://ror.org/02d2m2044","display_name":"Agricultural Research Service","country_code":"US","type":"government","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307"]},"years":[1992]},{"institution":{"id":"https://openalex.org/I1313416372","ror":"https://ror.org/03zmjc935","display_name":"US Forest Service","country_code":"US","type":"government","lineage":["https://openalex.org/I1313416372","https://openalex.org/I1336096307"]},"years":[1981]},{"institution":{"id":"https://openalex.org/I1336096307","ror":"https://ror.org/01na82s61","display_name":"United States Department of Agriculture","country_code":"US","type":"government","lineage":["https://openalex.org/I1336096307"]},"years":[1981]},{"institution":{"id":"https://openalex.org/I27837315","ror":"https://ror.org/00jmfr291","display_name":"University of Michigan","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]},"years":[2013,2007,2005,2004,2003,1997,1996,1995,1993,1992,1991,1990,1989,1988,1987,1986,1985,1984,1983,1981,1979,1977,1976,1974,1972,1971,1970,1969,1967]},{"institution":{"id":"https://openalex.org/I2803209242","ror":"https://ror.org/00pjdza24","display_name":"University of California System","country_code":"US","type":"education","lineage":["https://openalex.org/I2803209242"]},"years":[1963]},{"institution":{"id":"https://openalex.org/I4210148895","ror":"https://ror.org/03x5xm327","display_name":"National Sedimentation Laboratory","country_code":"US","type":"facility","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307","https://openalex.org/I4210122704","https://openalex.org/I4210148895"]},"years":[1992]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T11375","display_name":"Geotechnical Engineering and Soil Stabilization","count":45,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10577","display_name":"Hydrology and Sediment Transport Processes","count":38,"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/T12729","display_name":"Tree Root and Stability Studies","count":29,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10889","display_name":"Soil erosion and sediment transport","count":27,"subfield":{"id":"https://openalex.org/subfields/1111","display_name":"Soil Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11046","display_name":"Geotechnical Engineering and Analysis","count":23,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13046","display_name":"Electrokinetic Soil Remediation Techniques","value":0.000327,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12729","display_name":"Tree Root and Stability Studies","value":0.0002953,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11375","display_name":"Geotechnical Engineering and Soil Stabilization","value":0.0001248,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10577","display_name":"Hydrology and Sediment Transport Processes","value":0.0001041,"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/T13082","display_name":"Water and Land Management","value":9.53e-05,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"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":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.8647576570510864},{"id":"187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","score":0.8358834981918335},{"id":"39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","score":0.5498448014259338},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.5091046690940857},{"id":"205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","score":0.5063592195510864}],"counts_by_year":[{"year":1963,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1966,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1967,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1968,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1969,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1970,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1971,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1972,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1973,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1974,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1976,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1977,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1979,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1981,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1983,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1988,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":1992,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":16,"oa_works_count":2,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":179},{"year":2013,"works_count":35,"oa_works_count":0,"cited_by_count":176},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":147},{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":142},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":163},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":180},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":168},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":209},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":200},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":188},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":170},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":137},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":144},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":116},{"year":2026,"works_count":1,"oa_works_count":0,"cited_by_count":89}],"display_name_alternatives":["DONALD H. GRAY","Donald Gray","Donald H. Gray","Donald H. Gray PhD","Gray, Donald H.","Gray,Donald H."],"block_key":"d gray","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113481655","updated_date":"2026-11-03T12:34:24","created_date":"2016-06-24T00:00:00"}