Results 31 to 40 of about 619,416 (280)

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

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

Improved Calculation of Nonlinear Near-Bed Wave Orbital Velocity in Shallow Water: Validation against Laboratory and Field Data

open access: yesJournal of Marine Science and Engineering, 2020
A new parameterization for calculating the nonlinear near-bed wave orbital velocity in the shallow water was presented. The equations proposed by Isobe and Horikawa (1982) were modified in order to achieve more accurate predictions of the peak orbital ...
Pham Thanh Nam   +3 more
doaj   +1 more source

On process-oriented conditional targeted covariance inflation (TCI) for 3D-volume radar data assimilation [PDF]

open access: yesNonlinear Processes in Geophysics
This paper addresses a major challenge in assimilating 3D radar reflectivity data with a localized ensemble transform Kalman filter (LETKF).
K. Vobig   +3 more
doaj   +1 more source

Characteristic Scales of Tropical Convection Based on the Japanese Advanced Himawari-8 Imager Observations

open access: yesRemote Sensing, 2022
Convective activities play an important role in tropical weather systems. To investigate the characteristic scales of convection, a method combining a principal component (PC) analysis with Fourier decomposition is applied to brightness temperature ...
Jingchen Pu, Xiaolei Zou
doaj   +1 more source

Mitigation of Systematic Noise in F16 SSMIS LAS Channels Observations for Tropical Cyclone Applications

open access: yesRemote Sensing, 2022
The Special Sensor Microwave Imager Sounder (SSMIS) onboard the Defense Meteorological Satellite Program (DMSP) F16, launched on 18 October 2003, was the first conical-scanning radiometer to combine the Special Sensor Microwave/Imagers (SSM/I), Special ...
Huijie Dong, Xiaolei Zou
doaj   +1 more source

Multiscale assimilation of Advanced Microwave Scanning Radiometer-EOS snow water equivalent and Moderate Resolution Imaging Spectroradiometer snow cover fraction observations in northern Colorado [PDF]

open access: yes, 2012
Eight years (2002–2010) of Advanced Microwave Scanning Radiometer–EOS (AMSR-E) snow water equivalent (SWE) retrievals and Moderate Resolution Imaging Spectroradiometer (MODIS) snow cover fraction (SCF) observations are assimilated separately or jointly ...
Arsenault, Kristi R   +6 more
core   +2 more sources

Impact Evaluation of Assimilating Surface Sensitive Infrared Radiance Observations over Land and Sea Ice from Observing System Simulation Experiments

open access: yesAdvances in Meteorology, 2015
In this study, Observing System Simulation Experiments (OSSEs) are conducted to analyze the impact of assimilating surface sensitive infrared radiance observations over land and sea ice. This type of assimilation has not yet been successfully implemented
S. K. Dutta, L. Garand, S. Heilliette
doaj   +1 more source

Tropical Cyclone Center Positioning Using Single Channel Microwave Satellite Observations of Brightness Temperature

open access: yesRemote Sensing, 2021
Satellite observations of brightness temperature from the Advanced Technology Microwave Sounder (ATMS) and Microwave Humidity Sounder (MHS) humidity sounding channels can provide relatively high horizontal resolution information about cloud and ...
Yanyang Hu, Xiaolei Zou
doaj   +1 more source

Global 3D Features of Error Variances of GPS Radio Occultation and Radiosonde Observations

open access: yesRemote Sensing, 2020
Global Positioning System (GPS) radio occultation (RO) and radiosonde (RS) observations are two major types of observations assimilated in numerical weather prediction (NWP) systems.
Xu Xu, Xiaolei Zou
doaj   +1 more source

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