Results 121 to 130 of about 279,067 (415)

OTCliM: generating a near-surface climatology of optical turbulence strength ($C_n^2$) using gradient boosting [PDF]

open access: yes
This study introduces OTCliM (Optical Turbulence Climatology using Machine learning), a novel approach for deriving comprehensive climatologies of atmospheric optical turbulence strength ($C_n^2$) using gradient boosting machines. OTCliM addresses the challenge of efficiently obtaining reliable site-specific $C_n^2$ climatologies near the surface ...
arxiv   +1 more source

Reconstructing the late Pleistocene glacial history of the Cairngorm Mountains, Scotland, using paired cosmogenic 10Be and 14C

open access: yesJournal of Quaternary Science, EarlyView.
ABSTRACT Chronologic and geomorphic evidence of past glaciations is largely recorded in areas at relatively low elevation and/or landscapes defined by high glacial erosion. As a result, data from areas that did not experience significant glacial erosion and the highest elevation locations are lacking from reconstructions of past ice masses.
Samuel E. Kelley   +5 more
wiley   +1 more source

All-Season Climatology and Variability of Atmospheric River Frequencies over the North Pacific

open access: yes, 2016
Recent work on atmospheric rivers (ARs) has led to a characterization of these impactful features as primarily cold-season phenomena. Here, an all-season analysis of AR incidence in the North Pacific basin is performed for the period spanning 1979–2014 ...
B. D. Mundhenk, E. Barnes, E. Maloney
semanticscholar   +1 more source

Iowa Monthly Weather Summary, March 2005 [PDF]

open access: yes, 2005
This monthly report is produced by The Department of Agriculture and Land Stewardship, Bureau of ...

core  

Wind speed and shear associated with low-level jets over Northern Germany

open access: yesMeteorologische Zeitschrift, 2014
Nearly two years of SODAR measurements in Hannover, Northern Germany have been analysed for the frequency of occurrence of low-level jets and their properties. Characteristic properties such as the height of the jet core above ground, maximum wind speed,
Stefan Emeis
doaj   +1 more source

Stratigraphy and geomorphology of Des‐Cubierta Cave (Pinilla del Valle, Madrid, Spain): Geological insights into a Neanderthal symbolic accumulation of large crania

open access: yesJournal of Quaternary Science, EarlyView.
ABSTRACT Des‐Cubierta Cave, part of the Calvero de la Higuera complex, is situated in the intramountainous upper valley of the Lozoya River within the Guadarrama Range. The cave's geological, palaeontological, and archaeological record reveals a complex history of sedimentary and anthropogenic processes spanning hundreds of thousands of years ...
David Manuel Martín‐Perea   +19 more
wiley   +1 more source

World Ocean Circulation Experiment – Argo Global Hydrographic Climatology

open access: yesOcean Science (OS), 2018
. The paper describes the new gridded World Ocean Circulation Experiment-Argo Global Hydrographic Climatology (WAGHC). The climatology has a 1∕4∘ spatial resolution resolving the annual cycle of temperature and salinity on a monthly basis.
V. Gouretski
semanticscholar   +1 more source

Iowa Monthly Weather Summary, December 2004 [PDF]

open access: yes, 2004
This monthly report is produced by The Department of Agriculture and Land Stewardship, Bureau of ...

core  

A sazonalidade do tromboembolismo venoso no clima subtropical de São Paulo Seasonal variation of venous thromboembolism in the subtropical climate of São Paulo, Brazil

open access: yesJornal Vascular Brasileiro, 2009
CONTEXTO: Os fatores desencadeantes da doença tromboembólica venosa vêm sendo cada vez melhor identificados. Causas externas podem influir na sua ocorrência, e algum destaque tem sido dado a fatores climáticos. Nada se sabe quanto a essa interferência em
Daniela Kleinfelder   +4 more
doaj  

A seasonal climatology of the upper ocean pycnocline [PDF]

open access: yesarXiv, 2022
Climatologies of the mixed layer depth (MLD) have been provided using several definitions based on temperature/density thresholds or hybrid approaches. The upper ocean pycnocline (UOP) that sits below the mixed layer base remains poorly characterised, though this transition layer is an ubiquitous feature of the ocean surface layer.
arxiv  

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