Results 31 to 40 of about 21,404,104 (365)

A High Resolution Reanalysis for the Mediterranean Sea

open access: yesFrontiers in Earth Science, 2021
In order to be able to forecast the weather and estimate future climate changes in the ocean, it is crucial to understand the past and the mechanisms responsible for the ocean variability.
Romain Escudier   +13 more
doaj   +1 more source

Determining Tropical Cyclone Center and Rainband Size in Geostationary Satellite Imagery

open access: yesRemote Sensing, 2022
Brightness temperature (TB) observations at an infrared channel (10.3 μm) of the Advanced Baseline Imager (ABI) on board the U. S. 16th Geostationary Operational Environmental Satellite (GOES-16) are used for determining tropical cyclone (TC) center ...
Yanyang Hu, Xiaolei Zou
doaj   +1 more source

Data assimilation in glaciology [PDF]

open access: yes, 2014
Abstract This chapter addresses an inverse problem in glaciology, namely how to infer a climatic scenario (i.e. how to reconstruct past polar temperature) from ice volume records. Ice volume observations are available from oceanic records, giving information about sea level, and therefore about the amount of water stored in ice sheets ...
Bonan, Bertrand   +3 more
openaire   +2 more sources

Mitigation of Significant Data Noise in F17 SSMIS Observations since October 2017

open access: yesRemote Sensing, 2022
Special Sensor Microwave Imager Sounder (SSMIS) temperature sounding observations have been made available since the launch of the Defense Meteorological Satellite Program (DMSP), F16, on 18 October 2003. These conical-scanning observations of brightness
Huijie Dong, Xiaolei Zou
doaj   +1 more source

Drivers and impact of the seasonal variability of the organic carbon offshore transport in the Canary upwelling system [PDF]

open access: yesBiogeosciences, 2021
The Canary upwelling system (CanUS) is a productive coastal region characterized by strong seasonality and an intense offshore transport of organic carbon (Corg) to the adjacent oligotrophic offshore waters.
G. Bonino   +5 more
doaj   +1 more source

Tracking the Early Movements of Northeast China Cold Vortices Using FY-3D MWTS-2 Observations of Brightness Temperature

open access: yesRemote Sensing, 2022
The Northeast China cold vortex (NCCV) often occurs in spring and summer, causing extreme weather such as rainstorm and hail in Northeast China. The brightness temperature (TB) observations of Microwave Temperature Sounder-2 (MWTS-2) on board Fengyun-3D (
Hui Liu, Xiaolei Zou
doaj   +1 more source

The Aerosol Module in the Community Radiative Transfer Model (v2.2 and v2.3): accounting for aerosol transmittance effects on the radiance observation operator [PDF]

open access: yesGeoscientific Model Development, 2022
The Community Radiative Transfer Model (CRTM), a sensor-based radiative transfer model, has been used within the Gridpoint Statistical Interpolation (GSI) system for directly assimilating radiances from infrared and microwave sensors.
C.-H. Lu   +13 more
doaj   +1 more source

The role of heat wave events in the occurrence and persistence of thermal stratification in the southern North Sea [PDF]

open access: yesNatural Hazards and Earth System Sciences, 2022
Temperature extremes not only directly affect the marine environment and ecosystems but also indirectly influence hydrodynamics and marine life. In this study, the role of heat wave events in the occurrence and persistence of thermal stratification was ...
W. Chen   +4 more
doaj   +1 more source

Ultra Rapid Data Assimilation Based on Ensemble Filters

open access: yesFrontiers in Applied Mathematics and Statistics, 2018
The goal of this work is to analyse and study an ultra-rapid data assimilation (URDA) method for adapting a given ensemble forecast for some particular variable of a dynamical system to given observation data which become available after the standard ...
Roland Potthast   +2 more
doaj   +1 more source

Alkalinization Scenarios in the Mediterranean Sea for Efficient Removal of Atmospheric CO2 and the Mitigation of Ocean Acidification

open access: yesFrontiers in Climate, 2021
It is now widely recognized that in order to reach the target of limiting global warming to well below 2°C above pre-industrial levels (as the objective of the Paris agreement), cutting the carbon emissions even at an unprecedented pace will not be ...
Momme Butenschön   +4 more
doaj   +1 more source

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