{"id":"https://openalex.org/W2141490033","doi":"https://doi.org/10.1109/igarss.2008.4779461","title":"A Study of Chinese Grassland Productivity using MODIS Data","display_name":"A Study of Chinese Grassland Productivity using MODIS Data","publication_year":2008,"publication_date":"2008-01-01","ids":{"openalex":"https://openalex.org/W2141490033","doi":"https://doi.org/10.1109/igarss.2008.4779461","mag":"2141490033"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2008.4779461","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2008.4779461","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2008 - 2008 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"article","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/A5044387127","display_name":"Shirong Chen","orcid":"https://orcid.org/0000-0002-2159-8844"},"institutions":[{"id":"https://openalex.org/I4210115813","display_name":"China National Commission for Disaster Reduction","ror":"https://ror.org/029j8j127","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210115813"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shirong Chen","raw_affiliation_strings":["National Disaster Reduction Center of China, Beijing, China","Nat. Disaster Reduction Center of China, Beijing"],"affiliations":[{"raw_affiliation_string":"National Disaster Reduction Center of China, Beijing, China","institution_ids":["https://openalex.org/I4210115813"]},{"raw_affiliation_string":"Nat. Disaster Reduction Center of China, Beijing","institution_ids":["https://openalex.org/I4210115813"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101944170","display_name":"Yida Fan","orcid":"https://orcid.org/0000-0002-5463-467X"},"institutions":[{"id":"https://openalex.org/I4210115813","display_name":"China National Commission for Disaster Reduction","ror":"https://ror.org/029j8j127","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210115813"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yida Fan","raw_affiliation_strings":["National Disaster Reduction Center of China, Beijing, China","Nat. Disaster Reduction Center of China, Beijing"],"affiliations":[{"raw_affiliation_string":"National Disaster Reduction Center of China, Beijing, China","institution_ids":["https://openalex.org/I4210115813"]},{"raw_affiliation_string":"Nat. Disaster Reduction Center of China, Beijing","institution_ids":["https://openalex.org/I4210115813"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101641009","display_name":"Feng Xu","orcid":"https://orcid.org/0000-0002-8104-4800"},"institutions":[{"id":"https://openalex.org/I4210115813","display_name":"China National Commission for Disaster Reduction","ror":"https://ror.org/029j8j127","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210115813"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Feng Xu","raw_affiliation_strings":["National Disaster Reduction Center of China, Beijing, China","Nat. Disaster Reduction Center of China, Beijing"],"affiliations":[{"raw_affiliation_string":"National Disaster Reduction Center of China, Beijing, China","institution_ids":["https://openalex.org/I4210115813"]},{"raw_affiliation_string":"Nat. Disaster Reduction Center of China, Beijing","institution_ids":["https://openalex.org/I4210115813"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5057200558","display_name":"Guicai Li","orcid":"https://orcid.org/0000-0002-0078-2394"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Guicai Li","raw_affiliation_strings":["National Satellite Meteorological Center, Beijing, China","Nat. Satellite Meteorol. Center, Beijing"],"affiliations":[{"raw_affiliation_string":"National Satellite Meteorological Center, Beijing, China","institution_ids":[]},{"raw_affiliation_string":"Nat. Satellite Meteorol. Center, Beijing","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5044387127"],"corresponding_institution_ids":["https://openalex.org/I4210115813"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.10592436,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"28","issue":null,"first_page":"III ","last_page":" 767"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13890","display_name":"Remote Sensing and Land Use","score":0.9991999864578247,"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"}},"topics":[{"id":"https://openalex.org/T13890","display_name":"Remote Sensing and Land Use","score":0.9991999864578247,"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/T13203","display_name":"Environmental Changes in China","score":0.9955000281333923,"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/T14391","display_name":"Forest, Soil, and Plant Ecology in China","score":0.9871000051498413,"subfield":{"id":"https://openalex.org/subfields/3304","display_name":"Education"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/grassland","display_name":"Grassland","score":0.9156464338302612},{"id":"https://openalex.org/keywords/productivity","display_name":"Productivity","score":0.7803786993026733},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.6183087825775146},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5760610699653625},{"id":"https://openalex.org/keywords/land-cover","display_name":"Land cover","score":0.45210593938827515},{"id":"https://openalex.org/keywords/product","display_name":"Product (mathematics)","score":0.42690014839172363},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.33986571431159973},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.21448665857315063},{"id":"https://openalex.org/keywords/land-use","display_name":"Land use","score":0.1937670111656189},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10570681095123291},{"id":"https://openalex.org/keywords/agronomy","display_name":"Agronomy","score":0.09724679589271545},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.08807414770126343}],"concepts":[{"id":"https://openalex.org/C2775835988","wikidata":"https://www.wikidata.org/wiki/Q1006733","display_name":"Grassland","level":2,"score":0.9156464338302612},{"id":"https://openalex.org/C204983608","wikidata":"https://www.wikidata.org/wiki/Q2111958","display_name":"Productivity","level":2,"score":0.7803786993026733},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.6183087825775146},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5760610699653625},{"id":"https://openalex.org/C2780648208","wikidata":"https://www.wikidata.org/wiki/Q3001793","display_name":"Land cover","level":3,"score":0.45210593938827515},{"id":"https://openalex.org/C90673727","wikidata":"https://www.wikidata.org/wiki/Q901718","display_name":"Product (mathematics)","level":2,"score":0.42690014839172363},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.33986571431159973},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.21448665857315063},{"id":"https://openalex.org/C4792198","wikidata":"https://www.wikidata.org/wiki/Q1165944","display_name":"Land use","level":2,"score":0.1937670111656189},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10570681095123291},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.09724679589271545},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.08807414770126343},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","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/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2008.4779461","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2008.4779461","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2008 - 2008 IEEE International 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":3,"referenced_works":["https://openalex.org/W2167891208","https://openalex.org/W2368199936","https://openalex.org/W3091566243"],"related_works":["https://openalex.org/W1569360120","https://openalex.org/W2377244945","https://openalex.org/W2390860443","https://openalex.org/W2356977795","https://openalex.org/W2390549222","https://openalex.org/W2370363411","https://openalex.org/W2383584122","https://openalex.org/W2392859548","https://openalex.org/W2384895252","https://openalex.org/W3143781064"],"abstract_inverted_index":{"Based":[0],"on":[1],"a":[2,10],"1":[3,11],"km":[4,12],"Chinese":[5,13,23,38],"land":[6],"cover":[7],"product":[8,16],"and":[9],"vegetation":[14],"NPP":[15],"using":[17],"MODIS,":[18],"we":[19],"have":[20],"calculated":[21],"some":[22],"grassland":[24,39],"productivity":[25,40],"indexes":[26],"of":[27,37],"the":[28,34],"year":[29],"2001.":[30],"The":[31],"results":[32],"match":[33],"actual":[35],"distribution":[36],"well.":[41]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}