Results 31 to 40 of about 623,719 (338)

Comment on “Non-Mineralized Fossil Wood” by George E. Mustoe (Geosciences, 2018)

open access: yesGeosciences, 2018
We were pleased to see the summary article in Geosciences on fossil wood by George E. [...]
John A. Luczaj   +4 more
doaj   +1 more source

Comparing tree-ring based reconstructions of snowpack variability at different scales for the Navajo Nation

open access: yesClimate Services, 2021
Snowpack in the western U.S. is on the decline, largely attributed to increasing temperatures in the region. This is a critical issue for many Native American communities who disproportionately rely on local snow-fed water supplies.
Becky Brice   +4 more
doaj   +1 more source

Dendrogeomorphology and high-magnitude snow avalanches: a review and case study [PDF]

open access: yes, 2008
International audienceThe application of the principles of dendrogeomorphology for the dating of high-magnitude snow avalanches is well established in the natural hazards literature.
Butler, D. R., Sawyer, C. F.
core   +2 more sources

Spatial variability of historical fires across a red pine–oak landscape, Pennsylvania, USA

open access: yesEcosphere, 2019
Long‐term, ecosystem‐specific fire regime information improves natural community restoration and management by providing a basis for scientifically reasoned fire management prescriptions.
Joseph M. Marschall   +3 more
doaj   +1 more source

Tropical volcanoes synchronize eastern Canada with Northern Hemisphere millennial temperature variability

open access: yesNature Communications, 2022
A maximum latewood density based summer temperature reconstruction from eastern Canada shows recent warming is unprecedented over 1246 years, and tropical volcanism synchronizes regional and hemispheric summer temperatures at the multidecadal time scale.
Feng Wang   +5 more
doaj   +1 more source

Chemical Composition Characteristics and Source Contributions of Precipitation in Typical Cities on the North Slope of Tianshan Mountain in Xinjiang during 2010–2019

open access: yesAtmosphere, 2022
This work presents the results of a ten-year investigation (2010–2019) on the characteristics and sources of precipitation pollution in typical cities locating in the economic belt on the North Slope of Tianshan Mountain, Xinjiang. The water-soluble ions’
Yuting Zhong   +5 more
doaj   +1 more source

Relationship between the timing of vessel formation and leaf phenology in ten ring-porous and diffuse-porous deciduous tree species [PDF]

open access: yes, 2013
The goal of this study is to clarify how different aspects of plant function are coordinated developmentally for species of ring-porous versus diffuse-porous deciduous trees, comparing the timing of leaf phenology and vessel formation in twigs and stems ...
Nobuchi, Tadashi   +2 more
core   +1 more source

Drought intensity affects radial growth and recovery of P. schrenkiana at varying elevations in the Western Tianshan Mountains, China

open access: yesForest Ecosystems
As climate change intensifies, forests increasingly face the challenges posed by more frequent and severe droughts. However, the impacts of drought intensity on post-drought growth recovery and compensatory growth in trees remain poorly understood ...
Qiaoling Yang   +8 more
doaj   +1 more source

Apportionment of Chemical Components and Sources of PM2.5 in Shihezi City of Xinjiang, China

open access: yesAtmosphere, 2023
In order to reveal the pollution characteristics and sources of PM2.5, in this study, we collected PM2.5 filter membrane samples in Shihezi continuously from December 2020 to January 2021, and analyzed 10 kinds of water-soluble inorganic ions (WSIIs) and
Yuting Zhong   +5 more
doaj   +1 more source

Local variance of atmospheric 14C concentrations around Fukushima Dai-ichi Nuclear Power Plant from 2010 to 2012 [PDF]

open access: yes, 2017
Radiocarbon (14C) has been measured in single tree ring samples collected from the southwest of the Fukushima Dai-ichi Nuclear Power Plant. Our data indicate south-westwards dispersion of radiocarbon and the highest 14C activity observed so far in the ...
Chen, Biying   +7 more
core   +2 more sources

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