Results 221 to 230 of about 225,313 (340)

Stochastic Resonance Elucidates the Emergence and Periodicity Transition of Glacial Cycles

open access: yesGeophysical Research Letters, Volume 53, Issue 1, 16 January 2026.
Abstract Glacial cycles emerged with a 41‐kyr period after the Pliocene and later intensified with a 100‐kyr period in the mid‐Pleistocene, which were attributed to Earth's orbital variations. However, no significant changes in the orbital forcing were found at the two transitions, and the forcing was too small to drive these cycles. Here, a stochastic
Tian Xu, Gabriel Katul, Shineng Hu
wiley   +1 more source

Southern Ocean Clear‐Sky Brightening From Sea Spray Aerosol Increase Drives Departure From Hemispheric Albedo Symmetry

open access: yesGeophysical Research Letters, Volume 53, Issue 1, 16 January 2026.
Abstract Observations reveal significant negative trends in reflected shortwave radiation over the 21st century. The global‐mean darkening is primarily driven by clouds, while the global‐mean atmospheric clear‐sky signal is near zero due to offsetting trends in the two hemispheres.
Clare E. Singer, Robert Pincus
wiley   +1 more source

Delayed Tropical Asian Summer Monsoon Onset in Recent Decades

open access: yesGeophysical Research Letters, Volume 53, Issue 1, 16 January 2026.
Abstract This study reveals that the onset of tropical Asian summer monsoon (TASM) experienced a pronounced interdecadal delay (about one week) after the late‐2000s. Both the large‐scale seasonal transition reflected by EOF analysis and the monsoon onset dates defined by local rainfall exhibited a clear interdecadal change.
Peng Hu   +5 more
wiley   +1 more source

Observational Requirements for Quantifying the Diurnal Cycle of XCO2 From Space

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 1, 16 January 2026.
Abstract Spatiotemporal variations in atmospheric carbon dioxide (CO2) provide a means to quantify surface fluxes of carbon over a range of space and timescales. NASA's Orbiting Carbon Observatory‐3 (OCO‐3), aboard the International Space Station, is the first CO2‐monitoring mission to observe the sunlit portion of the diurnal cycle of total column ...
G. Keppel‐Aleks   +6 more
wiley   +1 more source

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