{"id":"https://openalex.org/A5046217857","orcid":"https://orcid.org/0000-0002-7968-661X","observed_orcids":["https://orcid.org/0000-0002-7968-661X"],"display_name":"Marcel van der Perk","raw_author_names":["M Van der Perk","M van der Perk","M. B. Van Der Meer","M. Perk","M. VAN DER PERK","M. Van Der Perk","M. Van der Park","M. Van der Perk","M. van Der Perk","M. van der Perk","Marcel Van","Marcel Van Der Perk","Marcel Van der Perk","Marcel van Der Perk","Marcel van der Perk","Perk, M. van der","Perk, Marcel Van Der","Perk, Marcel van der.","Perk, Marcel, van Der","Van Der Perk, Marcel","van der Perk, M. (Marcel)","van der Perk, Marcel"],"full_name":"MARCEL VAN DER PERK","works_count":184,"cited_by_count":1585,"summary_stats":{"2yr_mean_citedness":1.3636363636363635,"h_index":24,"i10_index":47},"ids":{"openalex":"https://openalex.org/A5046217857","orcid":"https://orcid.org/0000-0002-7968-661X","observed_orcids":["https://orcid.org/0000-0002-7968-661X"]},"affiliations":[{"institution":{"id":"https://openalex.org/I193662353","ror":"https://ror.org/04pp8hn57","display_name":"Utrecht University","country_code":"NL","type":"education","lineage":["https://openalex.org/I193662353"]},"years":[2026,2025,2024,2023,2022,2021,2020,2019,2018,2017,2016,2014,2013,2012,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998,1997,1995,1993]},{"institution":{"id":"https://openalex.org/I20121455","ror":"https://ror.org/02hpadn98","display_name":"Bielefeld University","country_code":"DE","type":"education","lineage":["https://openalex.org/I20121455"]},"years":[1992]},{"institution":{"id":"https://openalex.org/I86519309","ror":"https://ror.org/00hj54h04","display_name":"The University of Texas at Austin","country_code":"US","type":"education","lineage":["https://openalex.org/I86519309"]},"years":[2013]}],"last_known_institutions":[{"id":"https://openalex.org/I193662353","ror":"https://ror.org/04pp8hn57","display_name":"Utrecht University","country_code":"NL","type":"education","lineage":["https://openalex.org/I193662353"]}],"topics":[{"id":"https://openalex.org/T10577","display_name":"Hydrology and Sediment Transport Processes","count":69,"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/T10889","display_name":"Soil erosion and sediment transport","count":51,"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/T11311","display_name":"Soil and Water Nutrient Dynamics","count":32,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"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":31,"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"}},{"id":"https://openalex.org/T10965","display_name":"Geological formations and processes","count":30,"subfield":{"id":"https://openalex.org/subfields/1904","display_name":"Earth-Surface Processes"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T14106","display_name":"Environmental and Sediment Control","value":0.0003517,"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"}},{"id":"https://openalex.org/T10577","display_name":"Hydrology and Sediment Transport Processes","value":0.0001891,"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/T11311","display_name":"Soil and Water Nutrient Dynamics","value":0.0001547,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"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/T10889","display_name":"Soil erosion and sediment transport","value":0.0001521,"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/T11923","display_name":"Mine drainage and remediation techniques","value":9.18e-05,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"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":0.834354817867279},{"id":"2816523","wikidata":"https://www.wikidata.org/wiki/Q180184","display_name":"Sediment","score":0.8190615177154541},{"id":"39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","score":0.8165415525436401},{"id":"76886044","wikidata":"https://www.wikidata.org/wiki/Q2883300","display_name":"Hydrology (agriculture)","score":0.7423937916755676},{"id":"187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","score":0.3999091386795044}],"counts_by_year":[{"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":1995,"works_count":3,"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":4,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":15,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":8,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":11,"oa_works_count":1,"cited_by_count":0},{"year":2007,"works_count":7,"oa_works_count":2,"cited_by_count":0},{"year":2008,"works_count":7,"oa_works_count":4,"cited_by_count":0},{"year":2009,"works_count":7,"oa_works_count":3,"cited_by_count":0},{"year":2010,"works_count":7,"oa_works_count":4,"cited_by_count":0},{"year":2011,"works_count":10,"oa_works_count":7,"cited_by_count":0},{"year":2012,"works_count":7,"oa_works_count":6,"cited_by_count":67},{"year":2013,"works_count":7,"oa_works_count":3,"cited_by_count":75},{"year":2014,"works_count":6,"oa_works_count":6,"cited_by_count":68},{"year":2015,"works_count":6,"oa_works_count":2,"cited_by_count":60},{"year":2016,"works_count":9,"oa_works_count":2,"cited_by_count":46},{"year":2017,"works_count":9,"oa_works_count":6,"cited_by_count":61},{"year":2018,"works_count":9,"oa_works_count":6,"cited_by_count":87},{"year":2019,"works_count":2,"oa_works_count":1,"cited_by_count":64},{"year":2020,"works_count":6,"oa_works_count":5,"cited_by_count":82},{"year":2021,"works_count":4,"oa_works_count":4,"cited_by_count":105},{"year":2022,"works_count":4,"oa_works_count":3,"cited_by_count":90},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":65},{"year":2024,"works_count":4,"oa_works_count":4,"cited_by_count":76},{"year":2025,"works_count":2,"oa_works_count":2,"cited_by_count":87},{"year":2026,"works_count":5,"oa_works_count":5,"cited_by_count":77}],"display_name_alternatives":["M Van der Perk","M van der Perk","M. B. Van Der Meer","M. Perk","M. VAN DER PERK","M. Van Der Perk","M. Van der Park","M. Van der Perk","M. van Der Perk","M. van der Perk","Marcel Van","Marcel Van Der Perk","Marcel Van der Perk","Marcel van Der Perk","Marcel van der Perk","Perk, M. van der","Perk, Marcel Van Der","Perk, Marcel van der.","Perk, Marcel, van Der","Van Der Perk, Marcel","van der Perk, M. (Marcel)","van der Perk, Marcel"],"block_key":"m perk","works_api_url":"https://api.openalex.org/works?filter=author.id:A5046217857","updated_date":"2026-10-29T12:27:34","created_date":"2016-06-24T00:00:00"}