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304 results for “Monsoon”
Supporting Data for "Coccolithophore Assemblage Response to Indian Monsoon-ENSO Teleconnections During the Last Century" - AGU Paleoceanography and Paleoclimatology
<p>Data (Tables S1-S3) supporting the manuscript "Coccolithophore Assemblage Response to Indian Monsoon-ENSO Teleconnections During the Last Century". Files are uploaded as .csv format. Below are descriptions of the data generated from this study. In Table S1, the thickness data of von Rad et al. (1999), publicly available in <a href="https://doi.pangaea.de/10.1594/PANGAEA.63129" target="_blank" rel="noopener">PANGAEA,</a> were used to construct the revised core composite stratigraphy for Core SO90-39KG. Please refer to the manuscript for details of the referenced publication.</p> <p> </p> <table> <tbody> <tr> <td>Table</td> <td>Table Description</td> </tr> <tr> <td>S1</td> <td>Revised composite stratigraphy of core SO90-39KG.</td> </tr> <tr> <td>S2</td> <td>Raw count data of all coccolithophore species identified in sediment samples in core SO90-39KG.</td> </tr> <tr> <td>S3</td> <td>Relative abundance data of all coccolithophore species identified in sediment samples in core SO90-39KG.</td> </tr> </tbody> </table>
Investigating sensitivity of East Asian monsoon to orbital forcing during the Late Pliocene warm period
<p>CESM model outputs in a set of orbital sensitivity runs for the Late Pliocene.</p> <p>Only for the East Asia region</p> <p> </p>
A high-resolution speleothem record of Marine Isotope Stage 11 as a natural analog to Holocene Asian summer monsoon variations
<p>A full-spectrum characterization of past interglacial climate is a necessary prerequisite for the detection and attribution of climate changes during the current interglacial. Here we present a speleothem record of Asian summer monsoon (ASM) during Marine Isotope Stage (MIS) 11 interglacial (MIS 11c), from Yongxing cave, China. The record’s unprecedented chronologic constraints and decadal-scale temporal resolution allow a precise and direct comparison of ASM between the MIS 11c and the Holocene. Our data suggest that orbital–centennial patterns of ASM were remarkably similar during both interglacial, including their pacing and structure. Notably, a multi-millennial stronger monsoon late in MIS 11c, the ‘Late-MIS 11c shift’, is similar to the Late Holocene strengthening of the ASM, the ‘2-kyr shift’. Thus the multi-centennial ASM weakening at the end of the ‘Late-MIS 11c shift’ could imply that the current century-long ASM waning trend may persist into the future, if only natural forcings are considered.</p>
Dataset used in publication "Effects of local and remote black carbon aerosols on summer monsoon precipitation over India"
<p>Essential model data used to produce the figures and tables in publication "Effects of local and remote black carbon aerosols on summer monsoon precipitation over India"</p>
Supplementary animation of the article by Khaykin et al. Persistence of moist plumes from overshooting convection in the Asian monsoon anticyclone""
<p>Back trajectories released at B7 point of StratoClim Geophysica flight F7</p>
CESM data: Response of the low-level jet to precession and itsimplications for proxies of the Indian monsoon
<p>This repository contains the simulation output of precession minimum and maximum experiments carried out using the CESM 1.2.0. The experimental setup is the same as that of Bosmans et al. (2014). Each simulation is run of 100 years, and the Jun-Jul-Aug mean of the last 50 years of the simulation is provided here. The climatological monthly mean of total precipitation from the pre-industrial control simulation is also deposited here. </p> <p> </p> <p>Contact: Chetankumar Jalihal<br> email: jalihal@iisc.ac.in</p> <p> </p> <p>Acknowledgments:<br> These simulations were carried out as a part of Chetankumar Jalihal's Ph.D. thesis, funded by the Ministry of Human Resource Development, Government of India, and the Centre for Excellence in the Divecha Centre for Climate Change (DCCC), supported by the Department of Science and Technology, Government of India. We also acknowledge the Supercomputer Education and Research Centre (SERC), Indian Institute of Science, Bangalore, for making available the computation facilities to carry out the simulations.</p>
This is sample of the Data used to analyse AMV impacts on the global monsoon [Monerie et al. GRL]
<p>These data have been generated using MetUM-GOML2, and are used to analyse the impact of an anomaly cool/warm North Atlantic Ocean on tropical precipitation. These shared data could be used to reproduce the results shown in Monerie et al.</p> <p>More data will be available through the EU PRIMAVERA project via BADC.</p> <p>For more details about the metadata/having more data, please contact me at p.monerie@reading.ac.uk</p>
Changing patterns of the East Asian monsoon drive shifts in migration and abundance of a globally important rice pest
<p>Numerous insects including pests and beneficial species undertake windborne migrations over hundreds of kilometers. In East Asia, climate-induced changes in large-scale atmospheric circulation systems are affecting wind-fields and precipitation zones and these, in turn, are changing migration patterns. We examined the consequences in a serious rice pest, the brown planthopper (BPH, <em>Nilaparvata</em> <em>lugens</em>) in East China. BPH cannot overwinter in temperate East Asia, and infestations there are initiated by several waves of windborne spring or summer migrants originating from tropical areas in Indochina. The East Asian Summer monsoon, characterized by abundant rainfall and southerly winds, is of critical importance for these northward movements. We analyzed a 42-year dataset of meteorological parameters and catches of BPH from a standardized network of 341 light-traps in South and East China. We show that south of the Yangtze River during summer, southwesterly winds have weakened and rainfall increased, while the summer precipitation has decreased further north on the Jianghuai Plain. Together, these changes have resulted in shorter migratory journeys for BPH leaving South China. As a result, immigration levels of pest outbreaks of BPH in the key rice-growing area of the Lower Yangtze River Valley (LYRV) have declined since 2001. We show that these changes to the East Asian summer monsoon weather parameters are driven by shifts in the position and intensity of the Western Pacific subtropical high (WPSH) system that have occurred in the last 20 years. As a result, the relationship between WPSH intensity and BPH immigration that was previously used to predict the size of the immigration to the LYRV has now broken down. Our results demonstrate that migration patterns of a serious rice pest have shifted in response to the climate-induced changes in precipitation and wind pattern, with significant consequences for the population management of migratory pests.</p>
Identification of the atmospheric water sources and pathways responsible for the East Asian summer monsoon rainfall
<p><strong>era_hydro_easm_jul2013_*.csv.gz:</strong> These three files are the raw output from the TRACMASS trajectory model. They stored positions of each trajectory at the start (ini file), during run (run file) and at the end (out file) during July 2013 and has been used for generating Figure 1.</p> <p><strong>mask.nc:</strong> The basin definition in Figure 1 was plotted using this netcdf file.</p> <p><strong>ep_traj_*.gz: </strong>The four zip files corresponds to four summer months (June, July, August, and September) and used to plot Figure 2.</p> <p><strong>ep_traj_basins_*.gz: </strong>The four zip files corresponds to four summer months (June, July, August, and September) and used to plot Figure 3.</p> <p><strong>quantification.gz: </strong>These files were used for quantification provided in Figure 4 and Figure 8.</p> <p><strong>traj_pathways_*.gz: </strong>The two zip files (one for the South Indian Ocean, SIO and another for the Pacific Ocean, PAC) were used to generate Figure 5.</p> <p><strong>traj_rt.gz: </strong>The residence time of atmospheric waters in Figure 6 was created using the files in this zip.</p> <p><strong>traj_age_*.gz: </strong>The two zip files (one for the South Indian Ocean, SIO and another for the Pacific Ocean, PAC) were used to generate Figure 7.</p>
Remote insolation forcing of orbital-scale South Asian summer monsoon variability
<p>CESM simulation data for the manuscript "Remote insolation forcing of orbital-scale South Asian summer monsoon variability", which has been submitted to Geophysical Research Letters.</p>
Variation of the Asian summer monsoon since the last glacial-interglacial recorded in a stalagmite from southwest China
<p>A high-precise 230Th dated stalagmite from southwestern China was used to reconstruct the changes of ASM and regional hydrological conditions since the last interglacial (3.6–118.1 ka BP) by the coupled δ18O and δ13C. </p>
Quantitative interpretation of the physical processes associated with the interannual variation of South Asian summer monsoon
<p>This is the CFRAM-A data of "Quantitative interpretation of the physical processes associated with the interannual variation of South Asian summer monsoon". The data includes 10 years: 1997, 1999, 2000, 2001, 2008, 2009, 2013, 2015, 2018, and 2019. Each year includes two "nc" data, one is the partial temperature, the other is the total temperature.</p>
Supplement A. Wolf et al: 'Deciphering local and regional hydroclimate resolves contradicting evidence on the Asian monsoon evolution'
<p>This repository contains all proxy data for TD3 and codes with instructions and examples presented and use in A. Wol et al, "Deciphering local and regional hydroclimate resolves contradicting evidence on the Asian monsoon evolution". The data can be used to replicate figures and analyses presented in the main text. </p>
North American Monsoon Extreme Precipitation Supporting Datasets
<p>This dataset contains 1) shapefiles for the North American Monsoon domain and its subdomain derived from the global CPC precipitation dataset, and 2) moisture surges along the Gulf of California identified with the vertical-integrated vapor transportation from the ERA5 reanalysis dataset. 3) supporting figures for the NAM EPE analysis. </p>
Model output for "On the length and intensity of the West African Summer Monsoon during the Last interglacial Green Sahara Period"
<p>This dataset gives the model outputs from a pre-industrial (PI) and a last interglacial (LIG) simulation based on AWIESM-wiso. A more detailed description of the individual file is presented below:</p> <p>lig_isotope_daily.nc: climatological daily isotope composition in precipitation for LIG. The second level represents delta18O and the the third level for deltaD.</p> <p>pi_isotope_daily.nc: climatological daily isotope composition in precipitation for PI. The second level represents delta18O and the the third level for deltaD.</p> <p>lig_precip_daily.nc: climatological daily precipitation for LIG. </p> <p>pi_precip_daily.nc: climatological daily precipitation for PI. </p> <p>lig_temp2_daily.nc: climatological daily surface air temperature for LIG. </p> <p>pi_temp2_daily.nc: climatological daily surface air temperature for PI. </p> <p>lig_wind_composite.nc: composited LIG wind by using as the West African Summer Monsoon (WASM) onset as reference date (zonal wind: var131; meridional wind: var132; vertical wind: var133). </p> <p>pi_wind_composite.nc: composited PI wind by using as the West African Summer Monsoon (WASM) onset as reference date (zonal wind: var131; meridional wind: var132; vertical wind: var133). </p> <p> </p>
Monsoonal wet season influences the migration tendency of a catadromous fish (barramundi Lates calcarifer)
<ol> <li>Many animals exhibit partial migration, which occurs when populations contain coexisting contingents of migratory and resident individuals. This individual-level variation in migration behaviour may drive differences in growth, age at maturity, and survival. Therefore, partial migration is widely considered to play a key role in shaping population demography.</li> <li>Otolith chemistry and microstructural analysis were used to identify the environmental and individual-specific factors that influence migratory behaviour in the facultatively catadromous barramundi (<em>Lates calcarifer</em>) at two distinct life history stages: firstly, as juveniles migrating upstream into fresh water; and secondly, as adults or sub-adults returning to the estuarine/marine spawning habitat.</li> <li>Monsoonal climate played an important role in determining the migration propensity of juveniles: individuals born in the driest year examined (weak monsoon) were more than twice as likely to undergo migration to freshwater than those born in the wettest (strong monsoon) year. In contrast, the ontogenetic timing of return migrations to the estuary by adults and sub-adults was highly variable and not strongly associated with the environmental parameters examined.</li> <li>We propose that scarce resources within saline natal habitats during lower rainfall years may provide an ecological incentive for juveniles to migrate upstream, whereas more abundant resources in higher rainfall years may promote resident life histories within estuaries.</li> <li>We conclude that inter-annual climatic variation, here evidenced by monsoonal strength, likely plays an important role in driving the persistence of diversified life-histories within wild barramundi populations. </li> </ol>
Monsoonal wet season influences the migration tendency of a catadromous fish (barramundi Lates calcarifer)
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Data from: Fossil amphibian offers insights into the interplay between monsoons and amphibian evolution in paleoequatorial Late Triassic systems
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Data from: Solute production and transport processes in Chinese monsoonal rivers: Implications for global climate change
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Changing patterns of the East Asian monsoon drive shifts in migration and abundance of a globally important rice pest
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