{"id":"https://openalex.org/W2055248879","doi":"https://doi.org/10.3390/rs2071844","title":"Estimating Global Cropland Extent with Multi-year MODIS Data","display_name":"Estimating Global Cropland Extent with Multi-year MODIS Data","publication_year":2010,"publication_date":"2010-07-21","ids":{"openalex":"https://openalex.org/W2055248879","doi":"https://doi.org/10.3390/rs2071844","mag":"2055248879"},"language":"en","primary_location":{"id":"doi:10.3390/rs2071844","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs2071844","pdf_url":"https://www.mdpi.com/2072-4292/2/7/1844/pdf?version=1403129187","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/2/7/1844/pdf?version=1403129187","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5002065818","display_name":"Kyle Pittman","orcid":null},"institutions":[{"id":"https://openalex.org/I177156846","display_name":"South Dakota State University","ror":"https://ror.org/015jmes13","country_code":"US","type":"education","lineage":["https://openalex.org/I177156846"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Kyle Pittman","raw_affiliation_strings":["South Dakota State University Geographic Information Science Center of Excellence, Brookings, SD 57007, USA"],"affiliations":[{"raw_affiliation_string":"South Dakota State University Geographic Information Science Center of Excellence, Brookings, SD 57007, USA","institution_ids":["https://openalex.org/I177156846"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074759135","display_name":"Matthew C. Hansen","orcid":"https://orcid.org/0000-0003-0042-2767"},"institutions":[{"id":"https://openalex.org/I177156846","display_name":"South Dakota State University","ror":"https://ror.org/015jmes13","country_code":"US","type":"education","lineage":["https://openalex.org/I177156846"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Matthew C. Hansen","raw_affiliation_strings":["South Dakota State University Geographic Information Science Center of Excellence, Brookings, SD 57007, USA"],"affiliations":[{"raw_affiliation_string":"South Dakota State University Geographic Information Science Center of Excellence, Brookings, SD 57007, USA","institution_ids":["https://openalex.org/I177156846"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088683977","display_name":"Inbal Becker\u2010Reshef","orcid":"https://orcid.org/0000-0002-2160-5151"},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Inbal Becker-Reshef","raw_affiliation_strings":["Department of Geography, University of Maryland, College Park, MD 20742, USA"],"affiliations":[{"raw_affiliation_string":"Department of Geography, University of Maryland, College Park, MD 20742, USA","institution_ids":["https://openalex.org/I66946132"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006996458","display_name":"Peter Potapov","orcid":"https://orcid.org/0000-0003-3977-0021"},"institutions":[{"id":"https://openalex.org/I177156846","display_name":"South Dakota State University","ror":"https://ror.org/015jmes13","country_code":"US","type":"education","lineage":["https://openalex.org/I177156846"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Peter V. Potapov","raw_affiliation_strings":["South Dakota State University Geographic Information Science Center of Excellence, Brookings, SD 57007, USA"],"affiliations":[{"raw_affiliation_string":"South Dakota State University Geographic Information Science Center of Excellence, Brookings, SD 57007, USA","institution_ids":["https://openalex.org/I177156846"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112274867","display_name":"Christopher O. Justice","orcid":null},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Christopher O. Justice","raw_affiliation_strings":["Department of Geography, University of Maryland, College Park, MD 20742, USA"],"affiliations":[{"raw_affiliation_string":"Department of Geography, University of Maryland, College Park, MD 20742, USA","institution_ids":["https://openalex.org/I66946132"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5002065818"],"corresponding_institution_ids":["https://openalex.org/I177156846"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":8.7502,"has_fulltext":true,"cited_by_count":272,"citation_normalized_percentile":{"value":0.98053825,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"2","issue":"7","first_page":"1844","last_page":"1863"},"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/T10226","display_name":"Land Use and Ecosystem Services","score":0.9966999888420105,"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/T10689","display_name":"Remote-Sensing Image Classification","score":0.9851999878883362,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.6836965084075928},{"id":"https://openalex.org/keywords/normalized-difference-vegetation-index","display_name":"Normalized Difference Vegetation Index","score":0.6805649995803833},{"id":"https://openalex.org/keywords/moderate-resolution-imaging-spectroradiometer","display_name":"Moderate-resolution imaging spectroradiometer","score":0.6788929104804993},{"id":"https://openalex.org/keywords/land-cover","display_name":"Land cover","score":0.6350517868995667},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.4760589301586151},{"id":"https://openalex.org/keywords/agriculture","display_name":"Agriculture","score":0.4419670104980469},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.43997034430503845},{"id":"https://openalex.org/keywords/agricultural-land","display_name":"Agricultural land","score":0.42204514145851135},{"id":"https://openalex.org/keywords/data-set","display_name":"Data set","score":0.41389837861061096},{"id":"https://openalex.org/keywords/land-use","display_name":"Land use","score":0.37666836380958557},{"id":"https://openalex.org/keywords/leaf-area-index","display_name":"Leaf area index","score":0.25399094820022583},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.24820446968078613},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20067593455314636},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.1709616780281067},{"id":"https://openalex.org/keywords/agronomy","display_name":"Agronomy","score":0.1582392454147339},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.14075911045074463}],"concepts":[{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6836965084075928},{"id":"https://openalex.org/C1549246","wikidata":"https://www.wikidata.org/wiki/Q718775","display_name":"Normalized Difference Vegetation Index","level":3,"score":0.6805649995803833},{"id":"https://openalex.org/C2777007095","wikidata":"https://www.wikidata.org/wiki/Q676840","display_name":"Moderate-resolution imaging spectroradiometer","level":3,"score":0.6788929104804993},{"id":"https://openalex.org/C2780648208","wikidata":"https://www.wikidata.org/wiki/Q3001793","display_name":"Land cover","level":3,"score":0.6350517868995667},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.4760589301586151},{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.4419670104980469},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.43997034430503845},{"id":"https://openalex.org/C502990516","wikidata":"https://www.wikidata.org/wiki/Q3395383","display_name":"Agricultural land","level":3,"score":0.42204514145851135},{"id":"https://openalex.org/C58489278","wikidata":"https://www.wikidata.org/wiki/Q1172284","display_name":"Data set","level":2,"score":0.41389837861061096},{"id":"https://openalex.org/C4792198","wikidata":"https://www.wikidata.org/wiki/Q1165944","display_name":"Land use","level":2,"score":0.37666836380958557},{"id":"https://openalex.org/C25989453","wikidata":"https://www.wikidata.org/wiki/Q446746","display_name":"Leaf area index","level":2,"score":0.25399094820022583},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.24820446968078613},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20067593455314636},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.1709616780281067},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.1582392454147339},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.14075911045074463},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","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},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs2071844","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs2071844","pdf_url":"https://www.mdpi.com/2072-4292/2/7/1844/pdf?version=1403129187","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:1e305e59b59d408bb9298cffb53ebfab","is_oa":true,"landing_page_url":"https://doaj.org/article/1e305e59b59d408bb9298cffb53ebfab","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 2, Iss 7, Pp 1844-1863 (2010)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/2/7/1844/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs2071844","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs2071844","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs2071844","pdf_url":"https://www.mdpi.com/2072-4292/2/7/1844/pdf?version=1403129187","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger","score":0.75}],"awards":[],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"},{"id":"https://openalex.org/F4320306114","display_name":"U.S. Department of Agriculture","ror":"https://ror.org/01na82s61"},{"id":"https://openalex.org/F4320332781","display_name":"Foreign Agricultural Service","ror":"https://ror.org/00t77bz53"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2055248879.pdf","grobid_xml":"https://content.openalex.org/works/W2055248879.grobid-xml"},"referenced_works_count":31,"referenced_works":["https://openalex.org/W1503570773","https://openalex.org/W1675021660","https://openalex.org/W1802937799","https://openalex.org/W1838764073","https://openalex.org/W1929869195","https://openalex.org/W1973513065","https://openalex.org/W1974047452","https://openalex.org/W1980225565","https://openalex.org/W1994050572","https://openalex.org/W2016435228","https://openalex.org/W2031340414","https://openalex.org/W2076186394","https://openalex.org/W2077570405","https://openalex.org/W2084289470","https://openalex.org/W2084906573","https://openalex.org/W2087965082","https://openalex.org/W2099507093","https://openalex.org/W2103775154","https://openalex.org/W2116627051","https://openalex.org/W2116888634","https://openalex.org/W2121025662","https://openalex.org/W2127559745","https://openalex.org/W2138408852","https://openalex.org/W2158031389","https://openalex.org/W2328425223","https://openalex.org/W2912934387","https://openalex.org/W2915157699","https://openalex.org/W4212883601","https://openalex.org/W4250801571","https://openalex.org/W6629905135","https://openalex.org/W6680121253"],"related_works":["https://openalex.org/W3183766399","https://openalex.org/W2021379394","https://openalex.org/W2736619525","https://openalex.org/W2921923888","https://openalex.org/W1968232416","https://openalex.org/W2908695806","https://openalex.org/W2086038705","https://openalex.org/W4293712656","https://openalex.org/W1544818256","https://openalex.org/W3102531215"],"abstract_inverted_index":{"This":[0,75],"study":[1,47],"examines":[2],"the":[3,46,90,121,136,166,206,228,267],"suitability":[4],"of":[5,21,58,104,114,123,135,172,202,212,222,230,249,269],"250":[6],"m":[7],"MODIS":[8,24,28,138,167,231],"(MODerate":[9],"Resolution":[10],"Imaging":[11],"Spectroradiometer)":[12],"data":[13,38,88],"for":[14,195,238],"mapping":[15,255],"global":[16,59,70,109,137,143,154,235],"cropland":[17,43,72,139,236],"extent.":[18],"A":[19],"set":[20,57],"39":[22],"multi-year":[23],"metrics":[25],"incorporating":[26],"four":[27,113,152],"land":[29,110,125],"bands,":[30],"NDVI":[31],"(Normalized":[32],"Difference":[33],"Vegetation":[34],"Index)":[35],"and":[36,97,160,178,186],"thermal":[37],"was":[39,77,146],"employed":[40],"to":[41,54,80,117,131,151,266,276],"depict":[42],"phenology":[44],"over":[45],"period.":[48],"Sub-pixel":[49],"training":[50],"datasets":[51],"were":[52,128,198],"used":[53,130],"generate":[55],"a":[56,64,69,82,233,270],"classification":[60],"tree":[61],"models":[62],"using":[63,87],"bagging":[65],"methodology,":[66],"resulting":[67],"in":[68,120,181,187,247,254,279],"per-pixel":[71],"probability":[73,144,190],"layer.":[74],"product":[76],"subsequently":[78,129],"thresholded":[79],"create":[81],"discrete":[83],"cropland/non-cropland":[84],"indicator":[85,237],"map":[86,118,277],"from":[89],"USDA-FAS":[91],"(Foreign":[92],"Agricultural":[93],"Service)":[94],"Production,":[95],"Supply":[96],"Distribution":[98],"(PSD)":[99],"database":[100],"describing":[101],"per-country":[102],"acreage":[103],"production":[105,176,204,241],"field":[106],"crops.":[107],"Five":[108],"cover":[111,126],"products,":[112],"which":[115],"attempted":[116],"croplands":[119,278],"context":[122],"multiclass":[124],"classifications,":[127],"perform":[132],"regional":[133],"evaluations":[134],"extent":[140],"map.":[141],"The":[142,225],"layer":[145,168],"further":[147],"examined":[148],"with":[149,183,244],"reference":[150],"principle":[153],"food":[155],"crops:":[156],"corn,":[157],"soybeans,":[158],"wheat":[159],"rice.":[161],"Overall":[162],"results":[163,226],"indicate":[164],"that":[165],"best":[169],"depicts":[170],"regions":[171,197],"intensive":[173,239],"broadleaf":[174],"crop":[175,223,262],"(corn":[177],"soybean),":[179],"both":[180],"correspondence":[182],"existing":[184],"maps":[185],"associated":[188,208],"high":[189],"matching":[191],"thresholds.":[192],"Probability":[193],"thresholds":[194],"wheat-growing":[196],"lower,":[199],"while":[200],"areas":[201,248,258],"rice":[203],"had":[205],"lowest":[207],"confidence.":[209],"Regions":[210],"absent":[211],"agricultural":[213,251],"intensification,":[214],"such":[215],"as":[216,232],"Africa,":[217],"are":[218],"poorly":[219],"characterized":[220],"regardless":[221],"type.":[224],"reflect":[227],"value":[229],"generic":[234],"agriculture":[240],"regions,":[242],"but":[243],"little":[245],"sensitivity":[246],"low":[250],"intensification.":[252],"Variability":[253],"accuracies":[256],"between":[257],"dominated":[259],"by":[260],"different":[261],"types":[263],"also":[264],"points":[265],"desirability":[268],"crop-specific":[271],"approach":[272],"rather":[273],"than":[274],"attempting":[275],"aggregate.":[280]},"counts_by_year":[{"year":2025,"cited_by_count":13},{"year":2024,"cited_by_count":16},{"year":2023,"cited_by_count":26},{"year":2022,"cited_by_count":17},{"year":2021,"cited_by_count":25},{"year":2020,"cited_by_count":17},{"year":2019,"cited_by_count":28},{"year":2018,"cited_by_count":21},{"year":2017,"cited_by_count":20},{"year":2016,"cited_by_count":28},{"year":2015,"cited_by_count":20},{"year":2014,"cited_by_count":13},{"year":2013,"cited_by_count":13},{"year":2012,"cited_by_count":6}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2016-06-24T00:00:00"}