Zobrazeno 1 - 10
of 187
pro vyhledávání: '"SDGSAT-1"'
Publikováno v:
Geo-spatial Information Science, Pp 1-15 (2024)
Accurate and efficient ship detection is crucial for ocean monitoring and management, especially in reefs and deep-sea, where fishing and illegal activities threaten sustainability of ecosystems. Obtaining the size of ships in reefs and deep-sea help
Externí odkaz:
https://doaj.org/article/8479101b8bfd40df922f80785ea7c699
Publikováno v:
Kongjian kexue xuebao, Vol 44, Pp 677-686 (2024)
SDGSAT-1, the world's first science satellite dedicated to assisting the United Nations 2030 Sustainable Development Agenda, has been operational for over two and a half years. It provides valuable data to aid in implementing the Sustainable Developm
Externí odkaz:
https://doaj.org/article/26907f605f3f47b994b2db583efb5086
Publikováno v:
Big Earth Data, Vol 8, Iss 2, Pp 249-273 (2024)
High-resolution observations of short-term changes in sea ice are critical to understanding ice dynamics and also provide important information used in advice to shipping, especially in the Arctic. Although individual satellite sensors provide period
Externí odkaz:
https://doaj.org/article/a257e426cde74891b2b8eff65016940d
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1 (2024)
Accurate population mapping is crucial for disaster management, urban planning, etc. However, current methods using nighttime light (NTL) and gridded population datasets are limited by low spatial resolution and insufficient training data for complex
Externí odkaz:
https://doaj.org/article/59d5915196354ff5a6ac20c60a8d60b2
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1 (2024)
The tasseled cap transformation (TCT) is a widely used technique for reducing remote sensing multispectral data into three tasseled cap (TC) components – brightness, greenness, and wetness – while retaining essential information for various appli
Externí odkaz:
https://doaj.org/article/3dbbfabeb2bb479596353254d02decaf
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1 (2024)
Cloud cover is a significant factor affecting the effectiveness of satellite-based Earth observations. Existing cloud detection algorithms primarily rely on imaging data from satellite sensors in the visible to near-infrared spectral range, making it
Externí odkaz:
https://doaj.org/article/db16f457d4c34104a3f1b19a1ac627a4
Autor:
Yichen Jiang, Yunwei Tang, Linhai Jing, Charles Galdies, Hui Li, Lin Yan, Haifeng Ding, Qiyuan Xie, Changyong Dou
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1 (2024)
Aerosol Optical Depth (AOD) is vital for assessing air quality and climate. Nighttime lights (NTL) provide a new data source for urban AOD inversion, but current NTL data suffer from low spatial resolution, limiting detailed AOD studies in smaller ur
Externí odkaz:
https://doaj.org/article/5ecbfc3c2e6f47ba994ff642abf7372f
Autor:
Xiaosong Li, Tong Shen, Amos Tiereyangn Kabo-Bah, Jie Liu, Jianhui Li, Changyong Dou, Yingchao Piao, Xiaoxia Jia, Qi Lu, Huailin Wu, Ziyu Yang, Yubo Zhi, Licheng Zhao
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1 (2024)
The United Nations Sustainable Development Goals (SDGs) establish a fresh global framework for evaluating the development agenda, emphasizing prosperity, growth, inclusivity, and transparency while safeguarding our planet Earth. Land Degradation Neut
Externí odkaz:
https://doaj.org/article/ed9227b2107548cc83c657a946e2db03
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1 (2024)
In coastal regions, the formation of submesoscale eddies is frequently influenced by factors including topography, tidal forces, and ocean currents. These eddies are often challenging to detect owing to the limited spatial resolution of altimeters an
Externí odkaz:
https://doaj.org/article/d039a4024a014eb68a48ff1632e911ca
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1 (2024)
ABSTRACTAccurate extraction of built-up areas is helpful to urban development and map updating. Nighttime light (NTL) data can capture the lighting signal of ground objects. However, most built-up area extraction is conducted on public limited coarse
Externí odkaz:
https://doaj.org/article/e2140e46bf7449249691b8f986956c30