Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Noh-hun Seong"'
An improvement of snow/cloud discrimination from machine learning using geostationary satellite data
Autor:
Donghyun Jin, Kyeong-Sang Lee, Sungwon Choi, Noh-Hun Seong, Daeseong Jung, Suyoung Sim, Jongho Woo, Uujin Jeon, Yugyeong Byeon, Kyung-Soo Han
Publikováno v:
International Journal of Digital Earth, Vol 15, Iss 1, Pp 2355-2375 (2022)
Snow and cloud discrimination is a main factor contributing to errors in satellite-based snow cover. To address the error, satellite-based snow cover performs snow reclassification tests on the cloud pixels of the cloud mask, but the error still rema
Externí odkaz:
https://doaj.org/article/a0f9836bd1124713b64f4155f600c9d7
Autor:
Sungwon Choi, Noh-Hun Seong, Daeseong Jung, Suyoung Sim, Jongho Woo, Nayeon Kim, Sungwoo Park, Kyung-soo Han
Publikováno v:
Atmosphere, Vol 15, Iss 2, p 218 (2024)
Specific humidity (SH) which means the amount of water vapor in 1 kg of air, is used as an indicator of energy exchange between the atmosphere and the Earth’s surface. SH is typically computed using microwave satellites. However, the spatial resolu
Externí odkaz:
https://doaj.org/article/081be2fc833e497a8119c37423c3296e
Publikováno v:
Remote Sensing, Vol 15, Iss 3, p 829 (2023)
This study focused on surface radiation budget, one of the essential factors for understanding climate change. Arctic surface radiation budget was summarized and explained using a satellite product, Clouds and the Earth’s Radiant Energy System (CER
Externí odkaz:
https://doaj.org/article/9bf2283a3f1441cd82ba98e78e14c19d
Autor:
Noh-Hun Seong, Hyun-Cheol Kim, Sungwon Choi, Donghyun Jin, Daeseong Jung, Suyoung Sim, Jongho Woo, Nayeon Kim, Minji Seo, Kyeong-Sang Lee, Kyung-Soo Han
Publikováno v:
Remote Sensing, Vol 14, Iss 11, p 2512 (2022)
Rapid warming of the Arctic has resulted in widespread sea ice loss. Sea ice radiative forcing (SIRF) is the instantaneous perturbation of Earth’s radiation at the top of the atmosphere (TOA) caused by sea ice. Previous studies focused only on the
Externí odkaz:
https://doaj.org/article/4199ce6a09274ed78b457e7da12cbed6
Autor:
Kyeong-Sang Lee, Eunkyung Lee, Donghyun Jin, Noh-Hun Seong, Daeseong Jung, Suyoung Sim, Kyung-Soo Han
Publikováno v:
Remote Sensing, Vol 14, Iss 2, p 360 (2022)
Land surface reflectance (LSR) is well known as an essential variable to understand land surface properties. The Geostationary Ocean Color Imager (GOCI) be able to observe not only the ocean but also the land with the high temporal and spatial resolu
Externí odkaz:
https://doaj.org/article/9df96da5f047435b8be6775474438a06
Autor:
Sungwon Choi, Donghyun Jin, Noh-Hun Seong, Daeseong Jung, Suyoung Sim, Jongho Woo, Uujin Jeon, Yugyeong Byeon, Kyung-soo Han
Publikováno v:
Remote Sensing, Vol 13, Iss 21, p 4334 (2021)
Air temperature (Ta), defined as the temperature 2 m above the land’s surface, is one of the most important factors for environment and climate studies. Ta can be measured by obtaining the land surface temperature (LST) which can be retrieved with
Externí odkaz:
https://doaj.org/article/0a122341df3146c389e966111d15380e
Autor:
Kyeong-Sang Lee, Sung-Rae Chung, Changsuk Lee, Minji Seo, Sungwon Choi, Noh-Hun Seong, Donghyun Jin, Minseok Kang, Jong-Min Yeom, Jean-Louis Roujean, Daeseong Jung, Suyoung Sim, Kyung-Soo Han
Publikováno v:
Remote Sensing, Vol 12, Iss 15, p 2500 (2020)
The Korea Meteorological Administration successfully launched Korea’s next-generation meteorological satellite, Geo-KOMPSAT-2A (GK-2A), on 5 December 2018. It belongs to the new generation of GEO (Geostationary Elevation Orbit) satellite which offe
Externí odkaz:
https://doaj.org/article/32e28993c8a14f9997c5a9a1cca681ca
Autor:
Donghyun Jin, Sung-Rae Chung, Kyeong-Sang Lee, Minji Seo, Sungwon Choi, Noh-Hun Seong, Daeseong Jung, Suyoung Sim, Jinsoo Kim, Kyung-Soo Han
Publikováno v:
Remote Sensing, Vol 12, Iss 14, p 2262 (2020)
Sea ice is an important meteorological factor affecting the global climate system, but it is difficult to observe in sea ice ground truth data because of its location mainly at high latitudes and in polar regions. Accordingly, sea-ice detection resea
Externí odkaz:
https://doaj.org/article/30d8cbe18c234defbbf2cd733893a56a
Autor:
Suyoung Sim, Eunkyung Lee, Minji Seo, Noh-hun Seong, Daeseong Jeong, Jongho Woo, Kyung-soo Han
Publikováno v:
Remote Sensing Letters. 13:1213-1221
Autor:
NaYeon Kim, Kyung-soo Han, Sungwon Choi, Noh-hun Seong, Daeseong Jung, Suyoung Sim, Jongho Woo
Currently, research such as time-series vegetation index analysis, disaster monitoring, and aerosol monitoring are being conducted using high-resolution optical satellites. However, since each high spatial resolution satellite has differences in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd7e4d7e3837184f389a215da4f555aa
https://doi.org/10.5194/egusphere-egu23-5697
https://doi.org/10.5194/egusphere-egu23-5697