{"id":"https://openalex.org/A5111937198","orcid":null,"observed_orcids":[],"display_name":"Graham P. Sparling","raw_author_names":["GRAHAM P. SPARLING","Graham P Sparling","Graham P. Sparling","Graham Sparling"],"full_name":"GRAHAM P. SPARLING","works_count":24,"cited_by_count":1522,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":18,"i10_index":18},"ids":{"openalex":"https://openalex.org/A5111937198","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I177877127","ror":"https://ror.org/047272k79","display_name":"The University of Western Australia","country_code":"AU","type":"education","lineage":["https://openalex.org/I177877127"]},"years":[1999,1997,1996,1993]},{"institution":{"id":"https://openalex.org/I4210095897","ror":"https://ror.org/00r8h6r91","display_name":"Macaulay Development Trust","country_code":"GB","type":"nonprofit","lineage":["https://openalex.org/I4210095897"]},"years":[1979]},{"institution":{"id":"https://openalex.org/I86609021","ror":"https://ror.org/02p9cyn66","display_name":"Manaaki Whenua \u2013 Landcare Research","country_code":"NZ","type":"government","lineage":["https://openalex.org/I4405260297","https://openalex.org/I86609021"]},"years":[2004,2003,2001,2000]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10004","display_name":"Soil Carbon and Nitrogen Dynamics","count":17,"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/T10889","display_name":"Soil erosion and sediment transport","count":8,"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/T12792","display_name":"Soil Management and Crop Yield","count":8,"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/T13740","display_name":"Soil Science and Environmental Management","count":4,"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/T10716","display_name":"Soil and Unsaturated Flow","count":3,"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"}}],"topic_share":[{"id":"https://openalex.org/T14054","display_name":"Humic Substances and Bio-Organic Studies","value":8.37e-05,"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/T13740","display_name":"Soil Science and Environmental Management","value":6.33e-05,"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/T10004","display_name":"Soil Carbon and Nitrogen Dynamics","value":3.26e-05,"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/T12792","display_name":"Soil Management and Crop Yield","value":2.68e-05,"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/T10889","display_name":"Soil erosion and sediment transport","value":2.5e-05,"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"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.8472456336021423},{"id":"159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","score":0.8235635757446289},{"id":"39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","score":0.6988818645477295},{"id":"159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","score":0.45012733340263367},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.33189770579338074}],"counts_by_year":[{"year":1979,"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":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2001,"works_count":2,"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":2,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":66},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":62},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":53},{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":68},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":52},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":45},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":52},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":56},{"year":2020,"works_count":1,"oa_works_count":0,"cited_by_count":44},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":71},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":51},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":46},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":32},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":30},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":25}],"display_name_alternatives":["GRAHAM P. SPARLING","Graham P Sparling","Graham P. Sparling","Graham Sparling"],"block_key":"g sparling","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111937198","updated_date":"2026-11-06T12:48:51","created_date":"2016-06-24T00:00:00"}
