Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1080/10807039.2016.1169914 |
Integration of remote sensing techniques for monitoring desertification in Mexico | |
Becerril-Pina, Rocio1; Diaz-Delgado, Carlos1; Alberto Mastachi-Loza, Carlos1; Gonzalez-Sosa, Enrique2 | |
通讯作者 | Becerril-Pina, Rocio |
来源期刊 | HUMAN AND ECOLOGICAL RISK ASSESSMENT
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ISSN | 1080-7039 |
EISSN | 1549-7860 |
出版年 | 2016 |
卷号 | 22期号:6页码:1323-1340 |
英文摘要 | Desertification is considered one of the most serious threats to arid, semiarid, and sub-humid environments. In this study, several remote sensing techniques were integrated for monitoring desertification in a semiarid region of the central Mexican plateau ( state of Queretaro). Landsat TM images were used to compute the Normalized Difference Vegetation Index ( NDVI), Bare-Soil Index ( BSI), and albedo ( alpha). A change vector analysis ( CVA) examined changes in the direction and magnitude of indicators during the 1993-2011 period in order to detect degradations or improvements in land conditions over a period of time. In addition, a desertification degree index ( DDI) was applied based on the NDVI-alpha relationship. The results indicated that in the semiarid zone of the state of Queretaro, 48.3% of land use corresponds with agricultural areas; 2.7% of the area does not present any degree of desertification, while 49% presents the following degrees of desertification: 5.5% extreme, 10.9% severe, 18.9% moderate, and 13.7% low. The DDI applied in this approach for evaluating this phenomenon at the regional and municipal level is an effective tool for identifying areas at risk of desertification, in addition to monitoring changes in the degree or direction of desertification. |
英文关键词 | desertification Landsat NDVI albedo CVA |
类型 | Article |
语种 | 英语 |
国家 | Mexico |
收录类别 | SCI-E |
WOS记录号 | WOS:000380159200004 |
WOS关键词 | LAND DEGRADATION ; SATELLITE ; DROUGHT ; INDEX ; RISK ; REGION ; AREAS ; TM |
WOS类目 | Biodiversity Conservation ; Environmental Sciences |
WOS研究方向 | Biodiversity & Conservation ; Environmental Sciences & Ecology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/193402 |
作者单位 | 1.Univ Autonoma Estado Mexico, Red Lerma Mexico, CIRA, Fac Ingn, Cerro Coatepec S-N,Ciudad Univ, Toluca 50130, Mexico; 2.Univ Autonoma Queretaro, Fac Ingn, Lab Hidraul, Santiago De Queretaro, Mexico |
推荐引用方式 GB/T 7714 | Becerril-Pina, Rocio,Diaz-Delgado, Carlos,Alberto Mastachi-Loza, Carlos,et al. Integration of remote sensing techniques for monitoring desertification in Mexico[J],2016,22(6):1323-1340. |
APA | Becerril-Pina, Rocio,Diaz-Delgado, Carlos,Alberto Mastachi-Loza, Carlos,&Gonzalez-Sosa, Enrique.(2016).Integration of remote sensing techniques for monitoring desertification in Mexico.HUMAN AND ECOLOGICAL RISK ASSESSMENT,22(6),1323-1340. |
MLA | Becerril-Pina, Rocio,et al."Integration of remote sensing techniques for monitoring desertification in Mexico".HUMAN AND ECOLOGICAL RISK ASSESSMENT 22.6(2016):1323-1340. |
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