{"id":"https://openalex.org/W162657793","doi":null,"title":"Can linear trend analyses of NDVI time series data truly detect land degradation? Simulations may provide the answer","display_name":"Can linear trend analyses of NDVI time series data truly detect land degradation? Simulations may provide the answer","publication_year":2011,"publication_date":"2011-04-01","ids":{"openalex":"https://openalex.org/W162657793","mag":"162657793"},"language":"en","primary_location":{"id":"mag:162657793","doi":null,"is_oa":false,"landing_page_url":"https://researchspace.csir.co.za/dspace/bitstream/10204/5170/1/Wessels2_2011.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5073853368","display_name":"Konrad Wessels","orcid":"https://orcid.org/0000-0003-0979-8496","observed_orcids":["https://orcid.org/0000-0003-0979-8496"]},"institutions":[{"id":"https://openalex.org/I21360634","display_name":"Council for Scientific and Industrial Research","ror":"https://ror.org/05j00sr48","country_code":"ZA","type":"government","lineage":["https://openalex.org/I21360634"]},{"id":"https://openalex.org/I4210137126","display_name":"Council for Scientific and Industrial Research","ror":"https://ror.org/03ad6kn10","country_code":"GH","type":"facility","lineage":["https://openalex.org/I4210137126"]},{"id":"https://openalex.org/I66760702","display_name":"Council of Scientific and Industrial Research","ror":"https://ror.org/021wm7p51","country_code":"IN","type":"government","lineage":["https://openalex.org/I2799351866","https://openalex.org/I4210134808","https://openalex.org/I66760702"]}],"countries":["GH","IN","ZA"],"is_corresponding":false,"raw_author_name":"Konrad Wessels","raw_affiliation_strings":["Council for\u00a0Scientific and Industrial\u00a0Research"],"raw_orcid":"https://orcid.org/0000-0003-0979-8496","affiliations":[{"raw_affiliation_string":"Council for\u00a0Scientific and Industrial\u00a0Research","institution_ids":["https://openalex.org/I21360634","https://openalex.org/I4210137126","https://openalex.org/I66760702"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047714792","display_name":"F. van den Bergh","orcid":"https://orcid.org/0000-0002-4935-514X","observed_orcids":["https://orcid.org/0000-0002-4935-514X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"F. van den Bergh","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009647855","display_name":"Robert J. Scholes","orcid":"https://orcid.org/0000-0001-5537-6935","observed_orcids":["https://orcid.org/0000-0001-5537-6935"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Robert J. Scholes","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0001-5537-6935","affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5018845232","display_name":"S Miteffa","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S Miteffa","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9932000041007996,"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"}},"topics":[{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9932000041007996,"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/T13377","display_name":"Ecosystem dynamics and resilience","score":0.0010999999940395355,"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/T10226","display_name":"Land Use and Ecosystem Services","score":0.0010000000474974513,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/land-degradation","display_name":"land degradation","score":0.6539999842643738},{"id":"https://openalex.org/keywords/ndvi-time-series","display_name":"NDVI time series","score":0.8610000014305115},{"id":"https://openalex.org/keywords/linear-trend-analysis","display_name":"linear trend analysis","score":0.9890000224113464},{"id":"https://openalex.org/keywords/vegetation-change-detection","display_name":"vegetation change detection","score":0.7310000061988831},{"id":"https://openalex.org/keywords/simulation-study","display_name":"simulation study","score":0.5120000243186951},{"id":"https://openalex.org/keywords/vegetation-index","display_name":"vegetation indices","score":0.3630000054836273}],"concepts":[{"id":"https://openalex.org/C143724316","wikidata":"https://www.wikidata.org/wiki/Q312468","display_name":"Series (stratigraphy)","level":2,"score":0.6448484659194946},{"id":"https://openalex.org/C1549246","wikidata":"https://www.wikidata.org/wiki/Q718775","display_name":"Normalized Difference Vegetation Index","level":3,"score":0.5787462592124939},{"id":"https://openalex.org/C151406439","wikidata":"https://www.wikidata.org/wiki/Q186588","display_name":"Time series","level":2,"score":0.5762453079223633},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.47778019309043884},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4728584289550781},{"id":"https://openalex.org/C113052830","wikidata":"https://www.wikidata.org/wiki/Q3497778","display_name":"Land degradation","level":3,"score":0.42554834485054016},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3675537705421448},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.36451661586761475},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.34686920046806335},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.27728909254074097},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.2677873969078064},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.22015345096588135},{"id":"https://openalex.org/C4792198","wikidata":"https://www.wikidata.org/wiki/Q1165944","display_name":"Land use","level":2,"score":0.18413957953453064},{"id":"https://openalex.org/C132651083","wikidata":"https://www.wikidata.org/wiki/Q7942","display_name":"Climate change","level":2,"score":0.1828484833240509},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.14168912172317505},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09991446137428284},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C147176958","wikidata":"https://www.wikidata.org/wiki/Q77590","display_name":"Civil engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:162657793","doi":null,"is_oa":false,"landing_page_url":"https://researchspace.csir.co.za/dspace/bitstream/10204/5170/1/Wessels2_2011.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","score":0.8518999814987183,"display_name":"Life on land"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W1496932168","https://openalex.org/W1966728468","https://openalex.org/W1985688288","https://openalex.org/W1989074151","https://openalex.org/W1998438756","https://openalex.org/W2000563894","https://openalex.org/W2011139340","https://openalex.org/W2011443262","https://openalex.org/W2021218961","https://openalex.org/W2021481900","https://openalex.org/W2040228642","https://openalex.org/W2066443468","https://openalex.org/W2071978272","https://openalex.org/W2088115382","https://openalex.org/W2110772197","https://openalex.org/W2113410727","https://openalex.org/W2120694108","https://openalex.org/W2121763158","https://openalex.org/W2122346823","https://openalex.org/W2123610463","https://openalex.org/W2130807196","https://openalex.org/W2150114103","https://openalex.org/W2162414982","https://openalex.org/W2482650541","https://openalex.org/W2482775219"],"related_works":["https://openalex.org/W2076848864","https://openalex.org/W3040701973","https://openalex.org/W2771969121","https://openalex.org/W6921681171","https://openalex.org/W2486683043","https://openalex.org/W2957930526","https://openalex.org/W2898988100","https://openalex.org/W4249518989","https://openalex.org/W3076320305","https://openalex.org/W2901389308"],"abstract_inverted_index":{"34th":[0],"International":[1],"Symposium":[2],"for":[3],"Remote":[4],"Sensing":[5],"of":[6],"Environment.":[7],"Sydney":[8],"Convention":[9],"&":[10],"Exhibition":[11],"Centre":[12],"Sydney,":[13],"Australia,":[14],"10-15":[15],"April":[16],"2011":[17]},"counts_by_year":[],"updated_date":"2025-11-06T04:12:42.849631","created_date":"2016-06-24T00:00:00"}
