Results 51 to 60 of about 1,326 (179)

Latitude Dictates Global Marine Diatom Dynamics: Insights From 25 years of Satellite Data

open access: yesEarth's Future, Volume 14, Issue 5, May 2026.
Abstract Marine diatoms are key players in global biogeochemical cycles, yet their spatiotemporal dynamics and the underlying drivers remain poorly understood. Here, we developed a novel remote sensing model and utilized 25 years of global satellite data to investigate marine diatom biomass.
Deyong Sun   +6 more
wiley   +1 more source

The Applicability of the Geostationary Ocean Color Imager to the Mapping of Sea Surface Salinity in the East China Sea

open access: yesRemote Sensing, 2021
During the summer season, low-salinity water (LSW) inputs from the Changjiang River are observed as filamentous or lens-like features in the East China Sea.
Jong-Kuk Choi   +5 more
doaj   +1 more source

Concurrent Variations in Air–Sea Heat Fluxes and Sea Ice Extensions Under Cold‐Air Outbreaks: The First Joint Buoy–Cruise Observational Results in the Bohai Sea

open access: yesGeophysical Research Letters, Volume 53, Issue 7, 16 April 2026.
Abstract The air–sea interface near seasonal ice edges notably regulates the regional climate but remains poorly understood. We present the first coordinated buoy–cruise measurements in the Bohai Sea—the world's lowest‐latitude seasonal ice zone—during the winter of 2024–2025.
Yulin Lu   +9 more
wiley   +1 more source

Sargassum Detection Using Machine Learning Models: A Case Study with the First 6 Months of GOCI-II Imagery

open access: yesRemote Sensing, 2021
A record-breaking agglomeration of Sargassum was packed along the northern Jeju coast in Korea in 2021, and laborers suffered from removing them from the beach.
Jisun Shin   +5 more
doaj   +1 more source

A review of the FATIMA Yellow Sea field campaign research

open access: yesQuarterly Journal of the Royal Meteorological Society, Volume 152, Issue 777, April 2026 Part B.
The FATIMA marine fog project took place over the Sable Island region of eastern Canada (summer 2022) and the Yellow Sea of the Republic of Korea (ROK, summer 2023). Its goals are to improve marine fog monitoring and forecasting. Instrumented multiple research vessels, aircraft, tethered balloon and autonomous systems, ocean observation sites, and ...
Seok Lee   +50 more
wiley   +1 more source

A Cloud Screening Preprocessing Framework for GOCI‐II Aerosol Optical Depth: Development and Impact on Retrieval Errors

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 1, 16 January 2026.
Abstract Accurate retrieval of satellite‐derived aerosol optical depth (AOD) is critical for air quality forecasting, especially when AOD is assimilated into models. However, if retrieval errors in the satellite‐derived AOD are not corrected or characterized, they can lead to false analysis increments and ultimately degrade the quality of data ...
Joonhee Kim   +6 more
wiley   +1 more source

Direction of GOCI-III improvement based on the GOCI-Ⅰ ,Ⅱ experiences

open access: yes, 2023
천리안해양위성(Geostationary Ocean Color Imager: GOCI) 1호와 2호는 한반도 주변 동북아 해역을 대상으로 하는 세계 최초의 정지궤도 해색위성 시리즈이며 기존 극궤도 해색임무에서 볼 수 없었던 하루 동안의 해양환경 변화 관측을 가능하게 하였다. GOCI 시리즈의 성공적인 활용사례에 힘입어 국외 선진연구기관 등에서도 차세대 정지궤도 해색임무가 기획 중에 있으며 이들에게는 그동안 발전되어 온 차세대 해색원격탐사 기술이 적용될 ...
강금실   +12 more
core  

Exploiting Machine Learning to Develop Ocean Color Retrievals From the Tropospheric Emissions: Monitoring of Pollution Instrument

open access: yesEarth and Space Science, Volume 12, Issue 11, November 2025.
Abstract Retrievals of ocean color (OC) properties from space are important for understanding the ocean ecosystem, the carbon cycle, and monitoring events such as harmful algal blooms (HABs). The recently launched U.S. National Aeronautics and Space Administration (NASA) Earth Venture Instrument, the geostationary Tropospheric Emissions: Monitoring of ...
Z. Fasnacht   +10 more
wiley   +1 more source

A Systematic Review of the Application of the Geostationary Ocean Color Imager to the Water Quality Monitoring of Inland and Coastal Waters

open access: yesRemote Sensing
In recent decades, eutrophication in inland and coastal waters (ICWs) has increased due to anthropogenic activities and global warming, thus requiring timely monitoring. Compared with traditional sampling and laboratory analysis methods, satellite remote
Shidi Shao   +3 more
doaj   +1 more source

Wintertime Trends of Fine Particulate Matter (PM2.5) in South Korea, 2012–2022: Response of Nitrate and Organic Components to Decreasing NOx Emissions

open access: yesGeophysical Research Letters, Volume 52, Issue 19, 16 October 2025.
Abstract We analyze 2011–2022 trends in wintertime fine particulate matter (PM2.5) and its composition in South Korea using surface network data and machine learning. PM2.5 decreased nationwide by 1.2 μg m−3 per year after correcting for meteorology.
Drew C. Pendergrass   +13 more
wiley   +1 more source

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