Results 91 to 100 of about 55,362 (299)

Impact of Occurrence of Tropical Cyclones on Rice Output in Southern China: A Study Based on Survey Data of Rice Farmers in Guangdong

open access: yesGuangdong nongye kexue
【Objective】The study aims to quantify the impact of tropical cyclone disasters on rice output losses during the harvest period. It seeks to understand the impacts of tropical cyclone disasters on farmers' livelihoods and food security. The findings would
Fengbo CHEN, Lijing ZHANG
doaj   +1 more source

The characteristics of squall lines in the Southeast Asia region

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
Squall lines over the Maritime Continent were analysed using 20 years of IMERG GPM data and classified into four regional clusters. Significant regional differences were found in their size, intensity, lifespan, and propagation. Nighttime squall lines are primarily driven by the convergence of opposing offshore flows and the convergence of monsoonal ...
Jeong‐Yik Diong   +3 more
wiley   +1 more source

Tropical Cyclone Losses in the USA and the Impact of Climate Change: A Trend Analysis Based on a New Dataset [PDF]

open access: yes
Economic losses caused by tropical cyclones have increased dramatically. It can be assumed that most losses are due to increased prosperity and a greater tendency for people to settle in exposed areas, but also that the growing incidence of severe ...
Claudia Kemfert   +2 more
core  

The non‐hydrostatic option of the ECMWF global weather forecast model: Improvements for kilometre‐scale modelling

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
This study presents improvements to the non‐hydrostatic version of the European Centre for Medium‐Range Weather Forecasts (ECMWF) Integrated Forecasting System (IFS), enabling stable global simulations at 1.4‐km resolution. A systematic comparison with the hydrostatic version at resolutions from 9 to 1.4 km shows that non‐hydrostatic effects emerge in ...
Jozef Vivoda   +3 more
wiley   +1 more source

A new smoother method for treating different timescales in variational data assimilation for coupled systems

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
We propose a new method for treating different timescales in coupled variational data assimilation for atmosphere–ocean models. The approach involves a series of short‐window coupled assimilations (red arrows in the schematic) followed by a long‐window correction to the ocean fields (blue arrow).
Amos S. Lawless   +3 more
wiley   +1 more source

Objective Identification of Tropical Cyclone Systems With Potential for Storm Surge Impact in the Western North Pacific

open access: yesAtmospheric Science Letters
The robust assessment of storm surge hazards induced by tropical cyclones in the Western North Pacific is constrained by only ca. 50 seasons of reliable observational data.
Xiaoqi Zhang   +2 more
doaj   +1 more source

Strong enhancement of chlorophyll a concentration by a weak typhoon

open access: yes, 2010
Recent studies demonstrate that chlorophyll a (chl a) concentrations in the surface ocean can be significantly enhanced due to typhoons. The present study investigated chl a concentrations in the middle of the South China Sea (SCS) from 1997-2007.
Fu, Yun-Fei   +4 more
core   +1 more source

Polar‐low track prediction using machine‐learning methods

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
Machine‐learning models are developed to produce reliable and efficient forecasts of polar‐low (PL) trajectories 12 hours ahead. A temporal model (RLSTM) benefiting from the rolling‐forecast strategy, improves overall prediction accuracy and is suitable for quick experimentation, while a spatiotemporal model (PL‐UNet), incorporating both historical and
Ziying Yang   +4 more
wiley   +1 more source

A new method to identify and explain sources of precipitation modification, illustrated for the western Netherlands

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
This study develops a method to identify the source areas of precipitation events, as illustrated for the western part of the Netherlands. Radar‐based precipitation data are traced back to their source areas and machine‐learning techniques are used to identify hypothesized causes: urban heat, surface roughness, and air pollution. We find that urban and
Jelmer van der Graaff   +1 more
wiley   +1 more source

Risk Assessment of Landfalling Tropical Cyclones in China Based on Hazard Risk Theory

open access: yesApplied Sciences
As a frequent hazard, tropical cyclones have a great impact on the social and economic development of China, which is close to the origin of tropical cyclones in the western Pacific Ocean.
Jin Xu   +5 more
doaj   +1 more source

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