{"id":"https://openalex.org/A5113616740","orcid":null,"observed_orcids":[],"display_name":"Jacobus van der Merwe","raw_author_names":["J Van der Merwe","JH Van der Merwe","JH van der Merwe","Jacobus Merwe","Jacobus Van der Merwe","Jacobus van der Merwe","Van der Merwe Jh"],"full_name":"Jacobus van der Merwe","works_count":14,"cited_by_count":554,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":9,"i10_index":9},"ids":{"openalex":"https://openalex.org/A5113616740","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I21360634","ror":"https://ror.org/05j00sr48","display_name":"Council for Scientific and Industrial Research","country_code":"ZA","type":"government","lineage":["https://openalex.org/I21360634"]},"years":[2023,2019,2018,2017,2016,2015,2005]}],"last_known_institutions":[{"id":"https://openalex.org/I21360634","ror":"https://ror.org/05j00sr48","display_name":"Council for Scientific and Industrial Research","country_code":"ZA","type":"government","lineage":["https://openalex.org/I21360634"]}],"topics":[{"id":"https://openalex.org/T10029","display_name":"Climate variability and models","count":7,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/T10466","display_name":"Meteorological Phenomena and Simulations","count":4,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"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/T10347","display_name":"Atmospheric aerosols and clouds","count":2,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/T12618","display_name":"Botany and Plant Ecology Studies","count":2,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant 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/T14468","display_name":"Plant Ecology and Soil Science","count":2,"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"}}],"topic_share":[{"id":"https://openalex.org/T14468","display_name":"Plant Ecology and Soil Science","value":1.95e-05,"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/T11483","display_name":"Tropical and Extratropical Cyclones Research","value":1.2e-05,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"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/T10029","display_name":"Climate variability and models","value":1.16e-05,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/T11244","display_name":"Climate Change and Health Impacts","value":1e-05,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"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/T10779","display_name":"Coastal wetland ecosystem dynamics","value":7.5e-06,"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"}}],"x_concepts":[{"id":"132651083","wikidata":"https://www.wikidata.org/wiki/Q7942","display_name":"Climate change","score":0.7725886106491089},{"id":"39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","score":0.716729462146759},{"id":"205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","score":0.6534351706504822},{"id":"111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","score":0.40979480743408203},{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.3962351679801941}],"counts_by_year":[{"year":2005,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2007,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2013,"works_count":1,"oa_works_count":0,"cited_by_count":17},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":9},{"year":2015,"works_count":2,"oa_works_count":1,"cited_by_count":9},{"year":2016,"works_count":1,"oa_works_count":1,"cited_by_count":11},{"year":2017,"works_count":2,"oa_works_count":1,"cited_by_count":26},{"year":2018,"works_count":1,"oa_works_count":1,"cited_by_count":28},{"year":2019,"works_count":1,"oa_works_count":1,"cited_by_count":44},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":49},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":75},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":64},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":39},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":40},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":41},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":31}],"display_name_alternatives":["J Van der Merwe","JH Van der Merwe","JH van der Merwe","Jacobus Merwe","Jacobus Van der Merwe","Jacobus van der Merwe","Van der Merwe Jh"],"block_key":"j merwe","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113616740","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5113616740","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}