Results 61 to 70 of about 4,963 (203)

Deep‐Time Paleoclimate Proxies

open access: yesAGU Advances, 2020
Pre‐Cenozoic climate (>66 million years ago) has been reconstructed with climate sensitive sedimentary deposits. However, sedimentary records are inherently local and can be affected by topography and oceanic and atmospheric currents.
Francis A. Macdonald
doaj   +1 more source

Holocene Paleoclimates of India

open access: yesQuaternary Research, 2006
AbstractWe present a comprehensive summary of the available palaeoclimate records from India and compare the results from different proxies. The results indicate (i) fluctuating lake levels during the early Holocene. The period of relatively higher lake levels from increased precipitation efficiency was reached only ∼7.2–6.0 cal kyr BP, possibly due to
Prasad, S., Enzel, Y.
openaire   +4 more sources

PEP725: 15 years of driving European and global phenology science

open access: yesNew Phytologist, Volume 250, Issue 2, Page 717-734, April 2026.
Summary Phenology – the timing of seasonal biological events – is a sensitive indicator of climate change and ecosystem dynamics. Long‐term, broad‐scale phenological data are crucial for understanding and predicting plant responses to environmental change.
Barbara Templ   +4 more
wiley   +1 more source

A review of paleoclimate reconstruction based on soil physical and chemical properties

open access: yesGuan'gai paishui xuebao
Soils preserve critical geochemical and mineralogical information that records past climatic conditions. Consequently, soil physical, chemical, and biological properties have become important proxies for paleoclimate reconstruction.
MA Fangwen   +6 more
doaj   +1 more source

A 1100‐Year Blue‐Ring Record Reveals Sub‐Annual Cooling Events Hidden in Tree‐Ring Width Chronologies

open access: yesGeophysical Research Letters, Volume 53, Issue 6, 28 March 2026.
Abstract Tree‐ring width (RW) records primarily capture low‐frequency temperature variability, yet resolving high‐frequency signals is critical for testing climate models and contextualizing modern extremes. Blue rings (BRs)—bands of unlignified cells revealed by micro‐anatomical staining—capture short‐lived cooling events.
Liliana Siekacz   +4 more
wiley   +1 more source

Trophic Changes off Southwest Greenland During the Holocene and Their Influence on Carbon Burial

open access: yesGeophysical Research Letters, Volume 53, Issue 6, 28 March 2026.
Abstract Organic carbon (OC) burial in sediments is partly controlled by catabolic biodegradation and remineralization by heterotrophic bacteria, but long‐term records of these bacterially‐mediated processes have not been available. Here, we use stable hydrogen isotope ratio of the saturated C16 fatty acid (δ2HC16:0) as a proxy of the prevalence of ...
Estelle Allan   +6 more
wiley   +1 more source

Influence of Tibetan Plateau Snow Cover on ENSO Variability via the Dust‐Iron Fertilization

open access: yesGeophysical Research Letters, Volume 53, Issue 6, 28 March 2026.
Abstract The El Niño–Southern Oscillation (ENSO) and Tibetan Plateau, as key drivers of Earth's climate system, exert bidirectional controls that complicate causal attribution. Here, we integrate satellite‐derived Tibetan Plateau snow cover (TPSC) with causal inference to establish TPSC‐ENSO conversion factor.
Chao Zhang   +4 more
wiley   +1 more source

A Southern Ocean Multidecadal Oscillator Forced by Deep Convection

open access: yesGeophysical Research Letters, Volume 53, Issue 6, 28 March 2026.
Abstract Some climate models exhibit multidecadal‐to‐centennial variability of the Southern Ocean (SO) associated with open‐ocean polynyas and deep convection. We characterize the SO variability of the Community Earth System Model (version 1) under preindustrial conditions run with two different ocean resolutions, low‐resolution (∼1°) and high ...
Robert R. Ford, Brian E. J. Rose
wiley   +1 more source

An Arctic Sea Ice Energy Budget for the Last Interglacial

open access: yesGeophysical Research Letters, Volume 53, Issue 6, 28 March 2026.
Abstract With ongoing anthropogenic warming, the Arctic is increasingly dominated by thin, first‐year sea ice. Understanding the ice–ocean–atmosphere interactions in warmer climates is therefore essential. We analyze the Arctic sea‐ice energy budget in nine CMIP6‐PMIP4 lig127k simulations of the Last Interglacial warm Arctic.
M. Pollock   +5 more
wiley   +1 more source

Stable Isotope Record of Precipitation Dynamics in the Semi‐Arid Subtropics

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 6, 28 March 2026.
Abstract Global climate change is profoundly affecting precipitation patterns worldwide, including the exacerbation of aridity in dryland regions. Here, we examined the variability in rainfall stable hydrogen and oxygen isotope compositions (δ18O and δ2H) at five locations in subtropical northwest Australia over 10 years (2015–2024) to better ...
Chengwei Wan   +6 more
wiley   +1 more source

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