Results 71 to 80 of about 5,593 (268)

Ensemble reliability and the signal‐to‐noise paradox in ECMWF subseasonal forecasts

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
We derive a general expression for the ratio of predictable components (RPC) in terms of correlation, spread–error ratio, and total variance ratio. Physical constraints on the admissible solutions (i.e., real‐valued and non‐negative variances) provide a mechanism to identify statistically paradoxical sample combinations of reliability and correlation ...
Christopher D. Roberts, Frederic Vitart
wiley   +1 more source

Contrasting the synoptic drivers of the UK heatwaves of 1976, 2003, 2018 and 2022

open access: yesWeather, EarlyView.
UK summer heatwaves are dictated by the polar jet stream position and sea surface temperature (SST) variability, affecting the Summer North Atlantic Oscillation (SNAO) index. The SNAO can determine and influence the Central England Precipitation (CEP) and Central England Temperature (CET).
Nedim Sladić   +4 more
wiley   +1 more source

Projected ENSO teleconnection on the Southeast Asian climate under global warming

open access: yesEnvironmental Research Letters, 2023
Given the importance of El Niño–Southern oscillation (ENSO) teleconnection on the Southeast Asia (SEA) climate, the ENSO-induced precipitation and near-surface air temperature anomalies over SEA and its twenty sub-regions are compared between historical (
Dzung Nguyen–Le
doaj   +1 more source

Nonlinear atmospheric teleconnections [PDF]

open access: yesGeophysical Research Letters, 2006
Neural network models are used to reveal the nonlinear winter atmospheric teleconnection patterns associated with the El Niño‐Southern Oscillation (ENSO) and with the Arctic Oscillation (AO) over the N. Hemisphere. The nonlinear teleconnections (for surface air temperature, precipitation, sea level pressure and 500 hPa geopotential height) are found to
Hsieh, William W.   +2 more
openaire   +2 more sources

Droughts and human impact in the ancient Uaymil region of the Maya lowlands inferred from a 2800‐year sedimentary archive at Lake Kaná, Mexico

open access: yesBoreas, EarlyView.
The relationship between the climate and societal transformation in Maya lowlands has long been debated, particularly the role of drought in shaping the civilization trajectory during the Classic Period. A high‐resolution, multi‐proxy, geochemical record from Lake Kaná, located in the underexplored Uaymil region of the Yucatán Peninsula in Mexico ...
Haydar B. Martinez‐Dyrzo   +5 more
wiley   +1 more source

Relationships between daily teleconnection indices and Oklahoma tornado activity

open access: yes, 2021
The phasing of various teleconnection patterns has been linked to variability of tornado activity in various geographic regions. These links have been used to improve long-term tornado forecast models.
Douglas, Sean Gabriel
core  

A Fishery‐Dependent CPUE‐Based Proxy Index for Juvenile Japanese Anchovy (Engraulis japonicus) Recruitment Variability in Southeastern Korea: Associations With Lagged Climate‐Ocean Conditions

open access: yesFisheries Oceanography, EarlyView.
ABSTRACT We developed and evaluated a fishery‐dependent catch‐per‐unit‐effort (CPUE)‐based proxy index for juvenile Japanese anchovy (Engraulis japonicus) recruitment‐related variability in the southeastern coastal waters of Korea. The proxy was constructed from bimonthly CPUE of the smallest juvenile size class (20–40 mm) in the anchovy drag‐net ...
Jin Yeong Kim   +5 more
wiley   +1 more source

Data Driven Methods for Nonlinear Granger Causality: Climate Teleconnection Mechanisms

open access: yes, 2018
Tianjaou Chu, David Danks, and Clark Glymour.
Clark Glymour (5372222)   +2 more
core   +1 more source

Collaborative impact of the NAO and atmospheric blocking on European heatwaves, with a focus on the hot summer of 2018

open access: yesEnvironmental Research Letters, 2020
Two intense heatwaves of July and early August 2018 are found to be associated with a European blocking (EB) event accompanied by a series of consecutive positive North Atlantic Oscillation (NAO ^+ ) events.
Muyuan Li   +5 more
doaj   +1 more source

Tree‐Ring Oxygen Isotope Values During the Last Glacial Maximum and Insights to Future Changes in Climate

open access: yesTerra Nova, EarlyView.
ABSTRACT Annual tree‐ring oxygen‐isotope values were measured from sections of two fossil logs of Picea mariana (black spruce) recovered from last glacial maximum proglacial sediment in Illinois, USA. Collectively, the specimens date from ca. 25,130 to 24,720 cal years BP.
Dana M. Labotka   +2 more
wiley   +1 more source

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