Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Sike Li"'
Autor:
Sike Li
Publikováno v:
International Journal of Digital Earth, Vol 16, Iss 1, Pp 3368-3383 (2023)
Grassland fires in Victoria, Australia pose significant environmental issues. Monitoring these fires relies on the Grassland Curing Degree (GCD) indicator and the corresponding Grassland Curing Map (GCM) for spatial distribution. Inter-satellite vari
Externí odkaz:
https://doaj.org/article/b517b40c6a0d4741bfaf0213062c3959
Autor:
Sike Li
Publikováno v:
International Journal of Digital Earth, Vol 14, Iss 7, Pp 899-920 (2021)
Grassland fires are a serious problem in Victoria, Australia due to large quantity of dry grass. Grassland curing degree (GCD) measures the dryness of the grass and is an important factor for assessing grassland fire danger. Grassland curing maps (GC
Externí odkaz:
https://doaj.org/article/85ad18257ae74dc185acfd14469bd3e4
Autor:
Dan-Xia Song, Chengquan Huang, Tao He, Joseph O. Sexton, Ainong Li, Sike Li, Hao Wu, John R. Townshend
Publikováno v:
International Journal of Digital Earth, Vol 14, Iss 2, Pp 181-201 (2021)
Forest disturbances have been altering the ecological properties of ecosystems; meanwhile, disturbance events of varying sizes create different structures and functions for a forest landscape. Therefore, size and frequency are important attributes of
Externí odkaz:
https://doaj.org/article/cb60354597d44e548d6054d8358f5f24
Autor:
Dan-Xia Song, Chengquan Huang, Tao He, Min Feng, Ainong Li, Sike Li, Yong Pang, Hao Wu, Abdul Rashid Mohamed Shariff, John Townshend
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 14, Pp 10964-10976 (2021)
Forests have significant impacts on the global carbon cycle, hydrological processes, and biodiversity. Driven by socioeconomic developments, forests experienced drastic changes since the mid-20th century in China. Although declassified spy satellite
Externí odkaz:
https://doaj.org/article/b24b552558394044a716cec59f340840
Autor:
Sike Li
Publikováno v:
International Journal of Digital Earth, Vol 13, Iss 11, Pp 1321-1338 (2020)
As one of the main components of Grassland Fire Danger Index, grassland curing degree provides crucial information for determining grassland fire danger. Accurate estimates of grassland curing are critical for determining grassland fire risk. This re
Externí odkaz:
https://doaj.org/article/10a3f0065bf3446fb80f94a45e271eff
Autor:
Sike Li
Publikováno v:
International Journal of Digital Earth, Vol 11, Iss 2, Pp 195-211 (2018)
Cropland is one of the essential elements of our ecological systems for producing agricultural products. In developing countries, urban expansion is a frequently appearing phenomena, which is a type of land cover land use (LCLU) change. This change c
Externí odkaz:
https://doaj.org/article/a67b6e8e269e4737ade477b1a2101598
Publikováno v:
Remote Sensing, Vol 13, Iss 20, p 4120 (2021)
Topographic effects in medium and high spatial resolution remote sensing images greatly limit the application of quantitative parameter retrieval and analysis in mountainous areas. Many topographic correction methods have been proposed to reduce such
Externí odkaz:
https://doaj.org/article/984cb0139f384e65838be38e4a4871ab
Publikováno v:
Remote Sensing, Vol 12, Iss 1, p 115 (2020)
It is very difficult and complex to acquire photosynthetic vegetation (PV) and non-PV (NPV) fractions (fPV and fNPV) using multispectral satellite sensors because estimations of fPV and fNPV are influenced by many factors, such as background-noise in
Externí odkaz:
https://doaj.org/article/24b2d4693a654a25b4fcb5150d488c15
Autor:
Tao He, Ainong Li, John R. Townshend, Chengquan Huang, Joseph O. Sexton, Dan-Xia Song, Sike Li, Hao Wu
Publikováno v:
International Journal of Digital Earth. 14:181-201
Forest disturbances have been altering the ecological properties of ecosystems; meanwhile, disturbance events of varying sizes create different structures and functions for a forest landscape. Ther...
Publikováno v:
Remote Sensing
Volume 12
Issue 1
Pages: 115
Remote Sensing, Vol 12, Iss 1, p 115 (2020)
Volume 12
Issue 1
Pages: 115
Remote Sensing, Vol 12, Iss 1, p 115 (2020)
It is very difficult and complex to acquire photosynthetic vegetation (PV) and non-PV (NPV) fractions (fPV and fNPV) using multispectral satellite sensors because estimations of fPV and fNPV are influenced by many factors, such as background-noise in