Kei Yoshimura

Reinterpreting precipitation isotope records from Asian monsoon region through the hidden role of atmospheric updraft

Zhuanxia Zhang, Wusheng Yu, Lonnie G. Thompson, Deliang Chen et autres

Abstract Speleothem oxygen isotope records (δ 18 O s ) from the Asian monsoon region provide valuable insights into past hydroclimate variability, yet their interpretation relies on understanding the controls on modern precipitation isotopes (δ 18 O p ). Although numerous explanations …

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Ice-core d-excess reveals a shift to wind-driven control of oceanic evaporation in warm climates

Ajay Ajay, Alexandre Cauquoin, Kei Yoshimura, J. M. Welker et autres

in, jp, us (code pays fourni par la source)

The significance of water vapor isotopes in improving weather prediction

Kinya Toride, Kei Yoshimura, Matthias F. Schneider, Christopher Diekmann et autres

Water vapor isotopes carry the integrated history of evaporation, condensation, mixing, and transport. Although previous studies have shown potential to improve forecasts under controlled conditions, real-world applications have been limited by systematic biases in both models and satellite retrievals arising from sparse …

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High‐Resolution Regional Atmospheric Simulation of Precipitation and Isotopes in Central America

Yan Yang, Christian Birkel, Chris Soulsby, Ana M. Durán-Quesada et autres

Abstract With advances in global and regional circulation models, the high‐resolution simulation of atmospheric variables has become increasingly feasible. In this study, we use IsoRSM, an isotope‐enabled regional spectral model, to improve the simulation of precipitation and its isotopic composition over tropical …

de, cr, gb, us, jp (code pays fourni par la source)

Supplementary material to "Enhancing Parameter Calibration in Land Surface Models Using a Multi-Task Surrogate Model within a Differentiable Parameter Learning Framework"

Wenpeng Xie, Hongmei Li, Kei Yoshimura

jp (code pays fourni par la source)

Development of a model for high-resolution simulation over Japan based on the Integrated Land Simulator, ILS-Japan-1km version 1.0

Tokuta Yokohata, Takashi Arakawa, Tomoko Nitta, Akira Takeshima et autres

jp (code pays fourni par la source)

Isotope-Based Age Scale with Multi-Month Precision for the SE-Dome II Ice Core from Southeast Greenland Over the Past 150 Years

Saaya Hamamoto, Yoshinori Iizuka, Takuro Aizawa, Kaoru Kawakami et autres

Abstract. Precise age scales are essential for reconstructing past climate variability at high temporal resolution. Here, we present a new oxygen-isotope record for the SE-Dome II ice core from southeast Greenland and construct a multi-month-resolution age scale spanning 1871–2020 CE. The chronology, …

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Analysis code and data for: Ice-core deuterium excess reveals a shift to wind-driven control of oceanic evaporation in warm climates

Ajay Ajay, Alexandre Cauquoin, Kei Yoshimura, J. M. Welker et autres

This repository contains the MATLAB analysis code and processed data to reproduce the results and figures of Ice-core deuterium excess reveals a shift to wind-driven control of oceanic evaporation in warm climates by Ajay et al., submitted to Nature Geoscience. It includes …

in, fi, jp, us (code pays fourni par la source)

Analysis code and data for: Ice-core deuterium excess reveals a shift to wind-driven control of oceanic evaporation in warm climates

Ajay Ajay, Alexandre Cauquoin, Kei Yoshimura, J. M. Welker et autres

This repository contains the MATLAB analysis code and processed data to reproduce the results and figures of Ice-core deuterium excess reveals a shift to wind-driven control of oceanic evaporation in warm climates by Ajay et al., submitted to Nature Geoscience. It includes …

in, fi, jp, us (code pays fourni par la source)

Observed and IsoRSM simulated precipitation and precipitation isotopes data of Costa Rica

Yan Yang, Christian Birkel, Chris Soulsby, Ana María Durán-Quesada et autres

The two excel files are the observed time series of precipitation and precipitation isotopes in Costa Rica. The two NetCDF files are the raw and bias-corrected simulation from IsoRSM. The data is used in the paper "High-Resolution Regional Atmospheric Simulation of Precipitation …

de, cr, gb, us, jp (code pays fourni par la source)

Observed and IsoRSM simulated precipitation and precipitation isotopes data of Costa Rica

Yan Yang, Christian Birkel, Chris Soulsby, Ana M. Durán-Quesada et autres

The two excel files are the observed time series of precipitation and precipitation isotopes in Costa Rica. The two NetCDF files are the raw and bias-corrected simulation from IsoRSM. The data is used in the paper "High-Resolution Regional Atmospheric Simulation of Precipitation …

de, cr, gb, us, jp (code pays fourni par la source)

Origins of Remote and Local Moisture Leading to the Extraordinary Rainfall of Late August 2019 in Northern Kyushu, Japan

Yuji Ogushi, Haruka Nishimura, Ryuichi Kawamura, Xiaoyang Li et autres

Abstract To clarify the source differences in moisture triggering heavy rainfall before and after mid-summer, we examined an extreme event in northern Kyushu in late August 2019. A regional spectral model incorporated with isotopic tracers is used in this study. The remote …

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