{"id":"https://openalex.org/W1984687349","doi":"https://doi.org/10.1109/igarss.2014.6947003","title":"Estimation of leaf area index (LAI) of South Africa from MODIS imager by inversion of PROSAIL radiative transfer model","display_name":"Estimation of leaf area index (LAI) of South Africa from MODIS imager by inversion of PROSAIL radiative transfer model","publication_year":2014,"publication_date":"2014-07-01","ids":{"openalex":"https://openalex.org/W1984687349","doi":"https://doi.org/10.1109/igarss.2014.6947003","mag":"1984687349"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2014.6947003","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2014.6947003","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"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/A5022441956","display_name":"Moses Azong Cho","orcid":"https://orcid.org/0000-0001-8278-2111"},"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"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Moses Azong Cho","raw_affiliation_strings":["Earth Observation, Council for Scientific and Industrial Research (CSIR), Pretoria, South Africa","Earth Observation, Natural Resources and Environment, Council for Scientific and Industrial Research (CSIR), Pretoria, South Africa. P.O. Box 395"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Earth Observation, Council for Scientific and Industrial Research (CSIR), Pretoria, South Africa","institution_ids":["https://openalex.org/I21360634"]},{"raw_affiliation_string":"Earth Observation, Natural Resources and Environment, Council for Scientific and Industrial Research (CSIR), Pretoria, South Africa. P.O. Box 395","institution_ids":["https://openalex.org/I21360634"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035052832","display_name":"Abel Ramoelo","orcid":"https://orcid.org/0000-0002-9917-9754"},"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"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Abel Ramoelo","raw_affiliation_strings":["Earth Observation, Council for Scientific and Industrial Research (CSIR), Pretoria, South Africa","Earth Observation, Natural Resources and Environment, Council for Scientific and Industrial Research (CSIR), Pretoria, South Africa. P.O. Box 395"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Earth Observation, Council for Scientific and Industrial Research (CSIR), Pretoria, South Africa","institution_ids":["https://openalex.org/I21360634"]},{"raw_affiliation_string":"Earth Observation, Natural Resources and Environment, Council for Scientific and Industrial Research (CSIR), Pretoria, South Africa. P.O. Box 395","institution_ids":["https://openalex.org/I21360634"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5051077990","display_name":"Renaud Math","orcid":null},"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"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Renaud Math","raw_affiliation_strings":["Council for Scientific and Industrial Research, Pretoria, ZA","Earth Observation, Natural Resources and Environment, Council for Scientific and Industrial Research (CSIR), Pretoria, South Africa. P.O. Box 395"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Council for Scientific and Industrial Research, Pretoria, ZA","institution_ids":[]},{"raw_affiliation_string":"Earth Observation, Natural Resources and Environment, Council for Scientific and Industrial Research (CSIR), Pretoria, South Africa. P.O. Box 395","institution_ids":["https://openalex.org/I21360634"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I21360634"],"apc_list":null,"apc_paid":null,"fwci":10.9383,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.9767898,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"2590","last_page":"2593"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9998999834060669,"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":0.9998999834060669,"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/T14365","display_name":"Leaf Properties and Growth Measurement","score":0.9972000122070312,"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/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9966999888420105,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"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/leaf-area-index","display_name":"Leaf area index","score":0.7889342308044434},{"id":"https://openalex.org/keywords/biome","display_name":"Biome","score":0.7632952928543091},{"id":"https://openalex.org/keywords/rangeland","display_name":"Rangeland","score":0.6598881483078003},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6591142416000366},{"id":"https://openalex.org/keywords/atmospheric-radiative-transfer-codes","display_name":"Atmospheric radiative transfer codes","score":0.5532559156417847},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5275991559028625},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.49860239028930664},{"id":"https://openalex.org/keywords/radiative-transfer","display_name":"Radiative transfer","score":0.4774739742279053},{"id":"https://openalex.org/keywords/grassland","display_name":"Grassland","score":0.4219416379928589},{"id":"https://openalex.org/keywords/normalized-difference-vegetation-index","display_name":"Normalized Difference Vegetation Index","score":0.4161398410797119},{"id":"https://openalex.org/keywords/inversion","display_name":"Inversion (geology)","score":0.4130692481994629},{"id":"https://openalex.org/keywords/ecosystem","display_name":"Ecosystem","score":0.227128803730011},{"id":"https://openalex.org/keywords/agroforestry","display_name":"Agroforestry","score":0.1767883002758026},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.10274937748908997},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07841426134109497},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.07662037014961243}],"concepts":[{"id":"https://openalex.org/C25989453","wikidata":"https://www.wikidata.org/wiki/Q446746","display_name":"Leaf area index","level":2,"score":0.7889342308044434},{"id":"https://openalex.org/C89920630","wikidata":"https://www.wikidata.org/wiki/Q101998","display_name":"Biome","level":3,"score":0.7632952928543091},{"id":"https://openalex.org/C130989795","wikidata":"https://www.wikidata.org/wiki/Q3364870","display_name":"Rangeland","level":2,"score":0.6598881483078003},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6591142416000366},{"id":"https://openalex.org/C199390426","wikidata":"https://www.wikidata.org/wiki/Q2353151","display_name":"Atmospheric radiative transfer codes","level":3,"score":0.5532559156417847},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5275991559028625},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.49860239028930664},{"id":"https://openalex.org/C74902906","wikidata":"https://www.wikidata.org/wiki/Q1190858","display_name":"Radiative transfer","level":2,"score":0.4774739742279053},{"id":"https://openalex.org/C2775835988","wikidata":"https://www.wikidata.org/wiki/Q1006733","display_name":"Grassland","level":2,"score":0.4219416379928589},{"id":"https://openalex.org/C1549246","wikidata":"https://www.wikidata.org/wiki/Q718775","display_name":"Normalized Difference Vegetation Index","level":3,"score":0.4161398410797119},{"id":"https://openalex.org/C1893757","wikidata":"https://www.wikidata.org/wiki/Q3653001","display_name":"Inversion (geology)","level":3,"score":0.4130692481994629},{"id":"https://openalex.org/C110872660","wikidata":"https://www.wikidata.org/wiki/Q37813","display_name":"Ecosystem","level":2,"score":0.227128803730011},{"id":"https://openalex.org/C54286561","wikidata":"https://www.wikidata.org/wiki/Q397350","display_name":"Agroforestry","level":1,"score":0.1767883002758026},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.10274937748908997},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07841426134109497},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.07662037014961243},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C109007969","wikidata":"https://www.wikidata.org/wiki/Q749565","display_name":"Structural basin","level":2,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2014.6947003","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2014.6947003","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1587448129","https://openalex.org/W1966122657","https://openalex.org/W1978160572","https://openalex.org/W1988998717","https://openalex.org/W2000485836","https://openalex.org/W2017431388","https://openalex.org/W2023901627","https://openalex.org/W2045906914","https://openalex.org/W2051128904","https://openalex.org/W2058530626","https://openalex.org/W2063623478","https://openalex.org/W2066612219","https://openalex.org/W2156468842","https://openalex.org/W2171979590"],"related_works":["https://openalex.org/W4226068337","https://openalex.org/W2067703153","https://openalex.org/W3198701072","https://openalex.org/W2067958002","https://openalex.org/W2731864949","https://openalex.org/W4220727947","https://openalex.org/W2118791227","https://openalex.org/W2018494703","https://openalex.org/W1483386591","https://openalex.org/W4281254516"],"abstract_inverted_index":{"Over-grazing,":[0],"bush":[1],"encroachment":[2],"and":[3,69,74,99],"alien":[4],"species":[5],"invasion":[6],"are":[7],"having":[8],"negative":[9],"impacts":[10],"on":[11,136],"livestock":[12],"production":[13],"in":[14,24,44,71],"the":[15,25,56,59,77,83,103],"rangelands":[16],"of":[17,42,49,58,79,85,115],"Sub-Saharan":[18],"Africa,":[19],"thus":[20],"threatening":[21],"rural":[22],"livelihoods":[23],"region.":[26],"Leaf":[27],"area":[28],"index":[29],"(LAI)":[30],"can":[31],"be":[32],"used":[33],"as":[34],"an":[35,38],"indicator":[36],"or":[37],"early":[39],"warning":[40],"signal":[41],"changes":[43],"rangeland":[45],"conditions.":[46],"The":[47,90],"aims":[48],"this":[50],"study":[51],"were":[52,94,125],"to":[53,109],"(i)":[54],"assess":[55,76],"accuracy":[57,78],"existing":[60],"MODIS":[61,91,137],"LAI":[62,80,92,116],"product":[63],"for":[64,97,102],"key":[65],"land":[66],"cover":[67],"classes":[68],"biomes":[70,101,124],"South":[72],"Africa":[73],"(ii)":[75],"retrieved":[81],"by":[82,127],"inversion":[84],"PROSAIL":[86,132],"radiative":[87,133],"transfer":[88,134],"model.":[89],"estimates":[93,114],"particularly":[95],"poor":[96],"grassland":[98],"Karoo":[100],"period":[104],"under":[105],"investigation":[106],"(November":[107],"2012":[108],"February":[110],"2013).":[111],"More":[112],"accurate":[113],"values":[117],"(RMSE":[118],"=":[119],"0.9)":[120],"across":[121],"three":[122],"major":[123],"generated":[126],"inverting":[128],"model":[129,135],"outputs":[130],"from":[131],"imagery.":[138]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
