Results 31 to 40 of about 440 (177)

Identification and characterization of foehn events in Beijing and their impact on air pollution episodes [PDF]

open access: yesAtmospheric Chemistry and Physics
This study proposes a method for identifying foehn events in Beijing using automatic weather station (AWS) data, considering upper-air wind direction, topography, meteorological changes, and foehn propagation.
J. Li   +12 more
doaj   +1 more source

Foehn in the Rhine Valley as seen by a wind-profiler-RASS system and comparison with the nonhydrostatic model Meso-NH

open access: yesMeteorologische Zeitschrift, 2004
One of the scientific objectives of MAP (Mesoscale Alpine Programme) addressed the four-dimensional variability of the foehn flow in the Rhine Valley.
Siegfried Vogt, Genevieve Jaubert
doaj   +1 more source

Analysis Synoptic Patterns for Forest Fires Risk in Northern of Iran [PDF]

open access: yesمخاطرات محیط طبیعی, 2018
Iran is one of the countries in the Middle East and North of Africa that face high risk in terms of wildfire occurrence in forested areas. We had used the record data SLP, 850 and 500hpa, temperature, precipitation, relativity humidity, speed and ...
Dariush Rahimi, Samaneh Khademi
doaj   +1 more source

The use of automatic station data for continuing the long time series (1864 to 2008) of foehn in Altdorf

open access: yesMeteorologische Zeitschrift, 2014
This paper is dedicated to Gian Gensler, former Chief Meteorologist of MeteoSwiss, who passed away on April 13, 2013 at the age of 92.In Altdorf, in the Uri part of the Reuss Valley, foehn observations have been recorded from 1864 until 2008 at a station
Hans Richner   +3 more
doaj   +1 more source

Elevated foehn exacerbates surface ozone pollution in summer Beijing [PDF]

open access: yesAtmospheric Chemistry and Physics
While several studies have evaluated the impact of shallow foehn on air pollution, the effects of elevated foehn on O3 pollution remain poorly understood.
Z. Liao   +6 more
doaj   +1 more source

Foehn winds influence surface ablation on Glaciar Perito Moreno, southern Patagonian icefield

open access: yesJournal of Glaciology
The southern Patagonian glaciers are known for having extremely high ablation rates. Foehn winds are one of the suspected causes, however, their influence on the annual ablation, their interannual variations, and their relationship with climate change is
Masahiro Minowa   +2 more
doaj   +1 more source

Foehn-like Wind in the Mountains of Southeastern Brazil as Seen by the Eta Model Simulation [PDF]

open access: yesRevista Brasileira de Meteorologia, 2020
The present study gives evidence of the occurrence of foehn-like wind on the eastern slopes of the mountains at Southeastern Brazil. A particular case was detected based on observational evidence on 4 July 2015 near the city of Cruzeiro, state of Sao ...
Pablo Luis Antico   +3 more
doaj   +1 more source

The Causes of Foehn Warming in the Lee of Mountains [PDF]

open access: yesBulletin of the American Meteorological Society, 2016
Abstract The foehn effect is well known as the warming, drying, and cloud clearance experienced on the lee side of mountain ranges during “flow over” conditions. Foehn flows were first described more than a century ago when two mechanisms for this warming effect were postulated: an isentropic drawdown mechanism, where potentially warmer ...
Elvidge, Andrew D., Renfrew, Ian A.
openaire   +2 more sources

Magnetic Foehn Effect in Adiabatic Transition [PDF]

open access: yesJournal of the Physical Society of Japan, 2001
4 pages including 4 ...
Saito, Keiji, Miyashita, Seiji
openaire   +2 more sources

Tracking Summer Greenland Blocking: The Upstream Pathway Shapes Historical Extremes and Future Change

open access: yesInternational Journal of Climatology, EarlyView.
This study investigates summer Greenland atmospheric blocking using the Lagrangian tracking Python package blocktrack applied to ERA5 reanalysis and CMIP6 models. Two types of blocks—upstream (Northern Canada origin) and retrograding (Northern Atlantic origin)—are distinguished, with upstream blocks driving recent observed frequency increasing trends ...
Michele Filippucci   +2 more
wiley   +1 more source

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