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  • Arabian Sea  (2)
  • Electronic books.  (2)
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  • 1
    Online Resource
    Online Resource
    The Asian Monsoon : Causes, History and Effects. (2008)
    Cambridge :Cambridge University Press,
    Details
    Keywords: Canadian literature. ; Electronic books.
    Description / Table of Contents: The Asian Monsoon describes the causes, evolution and far-reaching effects of one of the most dramatic climatic phenomena on Earth. The book presents a multi-disciplinary overview of the monsoon for advanced students and researchers in atmospheric science, climatology, oceanography, geophysics, and geomorphology.
    Type of Medium: Online Resource
    Pages: 1 online resource (286 pages)
    Edition: 1st ed.
    ISBN: 9780511408267
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=347186
    DDC: 551.5184
    Language: English
    Note: Cover -- Half-title -- Title -- Copyright -- Contents -- Preface -- Acknowledgements -- 1 The meteorology of monsoons -- 1.1 Introduction -- 1.2 Meteorology of the tropics -- 1.2.1 Observed zonal mean picture -- 1.2.2 Dynamical and thermodynamical constraints on the circulation -- 1.2.3 Longitudinal variations in tropical meteorology -- 1.2.4 Location of the convergence zones -- 1.3 The Indian Ocean monsoon system -- 1.3.1 Intraseasonal variability of the monsoon -- 1.3.2 Interannual variability -- 1.4 Theory of monsoons -- 1.4.1 General considerations -- 1.4.2 Role of orography -- 2 Controls on the Asian monsoon over tectonic timescales -- 2.1 Introduction -- 2.2 The influence of Tibet -- 2.2.1 Tectonic evidence for Tibetan uplift -- 2.2.2 Altitude proxies -- 2.2.3 Erosion and the uplift of Tibet -- 2.3 Oceanic controls on monsoon intensity -- 2.4 Summary -- 3 Monsoon evolution on tectonic timescales -- 3.1 Proxies for monsoon intensity -- 3.2 Monsoon reconstruction by oceanic upwelling -- 3.2.1 Monsoon winds in the Arabian Sea -- 3.2.2 Monsoon winds in the Eastern Indian Ocean -- 3.2.3 Monsoon winds in the South China Sea -- 3.2.4 Regional and global influences -- 3.3 Continental climate records -- 3.3.1 Weathering histories in the Western Himalayas -- 3.3.2 Weathering histories in the Eastern Himalayas -- 3.3.3 Weathering histories in Southern China -- 3.4 Eolian dust records -- 3.4.1 Eolian records in the Pacific Ocean -- 3.4.2 Eolian records in the Chinese Loess Plateau -- 3.4.3 Onset of Loess sedimentation -- 3.5 Evolving flora of East Asia -- 3.5.1 Flora evidence for an Early Miocene monsoon -- 3.5.2 Evidence from marine carbon -- 3.6 History of Western Pacific Warm Pool and the Monsoon -- 3.7 Summary -- 4 Monsoon evolution on orbital timescales -- 4.1 Introduction -- 4.2 Orbital controls on monsoon strength. , 4.3 Eolian records in North-east Asia -- 4.3.1 Marine records in the Sea of Japan -- 4.3.2 Lake records in Japan -- 4.3.3 Eolian records from the Loess Plateau of China -- 4.3.4 Eolian records from the North Pacific Ocean -- 4.4 Monsoon records from cave deposits -- 4.4.1 Hulu Cave in Eastern China -- 4.4.2 Dongge Cave in SW China -- 4.4.3 Timta Cave in the Western Himalayas -- 4.4.4 Cave records around the Arabian Sea -- 4.5 Monsoon variability recorded in ice caps -- 4.6 Monsoon variability recorded in lacustrine sediments -- 4.7 Salinity records in marine sediments -- 4.8 Pollen records in marine sediments -- 4.9 Paleoproductivity as an indicator of monsoon strength -- 4.9.1 Nitrogen isotopes -- 4.9.2 Organic carbon and phosphorus -- 4.9.3 Opal and foraminifers -- 4.10 The Early Holocene monsoon -- 4.10.1 Climate modeling -- 4.10.2 Peat bog records -- 4.10.3 El Niño Southern Oscillation effects -- 4.10.4 Links to ice volume and CH4 levels -- 4.10.5 Solar forcing -- 4.11 Mid-Late Holocene monsoon -- 4.12 Summary -- 5 Erosional impact of the Asian monsoon -- 5.1 Monsoon and oceanic strontium -- 5.2 Reconstructing erosion records -- 5.3 Reconstructing exhumation -- 5.4 Estimating marine sediment budgets -- 5.5 Erosion in Indochina -- 5.6 Erosion in other regions -- 5.7 Monsoon rains in Oman -- 5.8 Changes in monsoon-driven erosion on orbital timescales -- 5.8.1 Ganges-Brahmaputra Delta -- 5.8.2 Indus Delta -- 5.8.3 South China Sea -- 5.9 Tectonic impact of monsoon strengthening -- 5.9.1 Erosion on millennial timescales -- 5.10 Climatic control over Himalaya exhumation -- 5.11 Summary -- 6 The Late Holocene monsoon and human society -- 6.1 Introduction -- 6.2 Holocene climate change and the Fertile Crescent -- 6.3 Holocene climate change and the Indus Valley -- 6.3.1 The Harappan Civilization -- 6.3.2 The Saraswati River. , 6.4 Holocene climate change and early Chinese cultures -- 6.5 Monsoon developments since 1000 AD -- 6.5.1 Ice-core records -- 6.5.2 Tree-ring records -- 6.5.3 Historical correlations -- 6.6 Monsoon and religion -- 6.6.1 Holy monsoon rivers -- 6.6.2 Monsoon religious festivals -- 6.6.3 Monsoons and polytheism -- 6.7 Impacts of future monsoon evolution -- 6.8 Summary -- References -- Further reading -- Index.
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  • 2
    Online Resource
    Online Resource
    Climates, Landscapes, and Civilizations. (2013)
    Newark :American Geophysical Union,
    Details
    Keywords: Landscape changes. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (237 pages)
    Edition: 1st ed.
    ISBN: 9781118704646
    Series Statement: Geophysical Monograph Series ; v.198
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=1187181
    Language: English
    Note: COVER -- Title Page -- Contents -- Preface -- Bridging a Disciplinary Gap -- Section I: Americas -- Arguments and Evidence Against a Younger Dryas Impact Event -- Environment and Agency in the Ancient Maya Collapse -- Rainfall Variability and the Rise and Collapse of the Mississippian Chiefdoms: Evidence From a DeSoto Caverns Stalagmite -- Building Resilience in Island Communities: A Paleotempestological Perspective -- Recent Seasonal Variations in Arid Landscape Cover and Aeolian Sand Mobility, Navajo Nation, Southwestern United States -- Section II: Asia -- Utilization of Distal Tephra Records for Understanding Climatic and Environmental Consequences of the Youngest Toba Tuff -- An Abrupt Shift in the Indian Monsoon 4000 Years Ago -- Late Holocene Drought Pattern Over West Asia -- Geomorphological Constraints on the Ghaggar River Regime During the Mature Harappan Period -- A Simulation of the Neolithic Transition in the Indus Valley -- Mid-to-Late Holocene Agricultural System Transformations in the Northern Fertile Crescent: A Review Archaeobotanical, Geoarchaeological, and Philological Evidence -- Late Holocene Evolution of the Fuzhou Basin (Fujian, China) and the Spread of Rice Farming -- Climate-Induced Changes in Population Dynamics of Siberian Scythians (700-250 B.C.) -- Section III: Africa -- Geoarchaeological Perspectives on Holocene Climate Change as a Civilizing Factor in the Egyptian Sahara -- Heavy Rainfalls in a Desert(ed) City: A Climate-Archaeological Case Study From Sudan -- Section IV: Europe -- The Influence of Transgressive Paleogeography on the Development and Decline of Cardium Pottery Culture (Mediterranean Neolithic) -- A Dynamic Human Socioecology of Prehistoric and Protohistoric Ulster -- Section V: New Approaches and Discussions -- Influences of Active Tectonism on Human Development: A Review and Neolithic Example. , Irragric Anthrosols-Artifacts of Human Adaptation to Arid Conditions: Examples From the High Himalaya and the Coastal Desert of Peru -- Hunter-Gatherers, Agriculturalists, and Climate: Insights From a Cross-Disciplinary Review -- AGU Category Index -- Index.
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  • 3
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    Marine sedimentary records of chemical weathering evolution in the western Himalaya since 17 Ma (2021)
    Geological Society of America
    Details
    Publication Date: 2022-10-19
    Description: © The Author(s), 2021. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Zhou, P., Ireland, T., Murray, R. W., & Clift, P. D. Marine sedimentary records of chemical weathering evolution in the western Himalaya since 17 Ma. Geosphere, 17(3), (2021): 824–853, https://doi.org/10.1130/GES02211.1.
    Description: The Indus Fan derives sediment from the western Himalaya and Karakoram. Sediment from International Ocean Discovery Program drill sites in the eastern part of the fan coupled with data from an industrial well near the river mouth allow the weathering history of the region since ca. 16 Ma to be reconstructed. Clay minerals, bulk sediment geochemistry, and magnetic susceptibility were used to constrain degrees of chemical alteration. Diffuse reflectance spectroscopy was used to measure the abundance of moisture-sensitive minerals hematite and goethite. Indus Fan sediment is more weathered than Bengal Fan material, probably reflecting slow transport, despite the drier climate, which slows chemical weathering rates. Some chemical weathering proxies, such as K/Si or kaolinite/(illite + chlorite), show no temporal evolution, but illite crystallinity and the chemical index of alteration do have statistically measurable decreases over long time periods. Using these proxies, we suggest that sediment alteration was moderate and then increased from 13 to 11 Ma, remained high until 9 Ma, and then reduced from that time until 6 Ma in the context of reduced physical erosion during a time of increasing aridity as tracked by hematite/goethite values. The poorly defined reducing trend in weathering intensity is not clearly linked to global cooling and at least partly reflects regional climate change. Since 6 Ma, weathering has been weak but variable since a final reduction in alteration state after 3.5 Ma that correlates with the onset of Northern Hemispheric glaciation. Reduced or stable chemical weathering at a time of falling sedimentation rates is not consistent with models for Cenozoic global climate change that invoke greater Himalayan weathering fluxes drawing down atmospheric CO2 but are in accord with the idea of greater surface reactivity to weathering.
    Description: This study was made possible by samples provided by the IODP. The work was partially funded by a grant from The U.S. Science Support Program (USSSP), as well as additional funding from the Charles T. McCord Jr. Endowed Chair in petroleum geology at LSU.
    Keywords: Alteration ; Arabian Sea ; Arid environment ; Asia ; Bengal Fan ; Chemical composition ; Chemical weathering ; Chlorite ; Chlorite group ; Clay minerals ; Climate change ; Cooling ; Crystallinity ; Emission spectra ; Erosion ; Expedition 355 ; Glaciation ; Goethite ; Grain size ; Hematite ; Himalayas ; ICP mass spectra ; Illite ; Indian Ocean ; Indus Fan ; International Ocean Discovery Program ; IODP Site U1456 ; IODP Site U1457 ; Kaolinite ; Karakoram ; Magnetic properties ; Magnetic susceptibility ; Marine environment ; Mass spectra ; Mineral assemblages ; Moisture ; Oxides ; Paleoclimatology ; Paleoenvironment ; Paleomagnetism ; Provenance ; Reactivity ; Reconstruction ; Sediment transport ; Sedimentary rocks ; Sedimentation ; Sedimentation rates ; Sheet silicates ; Silicates ; Spectra ; Terrestrial environment ; Transport ; Weathering
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 4
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    Unknown
    Geochemical record of Holocene to Recent sedimentation on the Western Indus continental shelf, Arabian Sea (2012)
    American Geophysical Union
    Details
    Publication Date: 2022-05-26
    Description: Author Posting. © American Geophysical Union, 2012. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Geochemistry Geophysics Geosystems 13 (2012): Q01008, doi:10.1029/2011GC003845.
    Description: We present a multiproxy geochemical analysis of two cores recovered from the Indus Shelf spanning the Early Holocene to Recent (〈14 ka). Indus-23 is located close to the modern Indus River, while Indus-10 is positioned ∼100 km further west. The Holocene transgression at Indus-10 was over a surface that was strongly weathered during the last glacial sea level lowstand. Lower Holocene sediments at Indus-10 have higher εNd values compared to those at the river mouth indicating some sediment supply from the Makran coast, either during the deposition or via reworking of older sediments outcropping on the shelf. Sediment transport from Makran occurred during transgressive intervals when sea level crossed the mid shelf. The sediment flux from non-Indus sources to Indus-10 peaked between 11 ka and 8 ka. A hiatus at Indus-23 from 8 ka until 1.3 ka indicates non-deposition or erosion of existing Indus Shelf sequences. Higher εNd values seen on the shelf compared to the delta imply reworking of older delta sediments in building Holocene clinoforms. Chemical Index of Alteration (CIA), Mg/Al and Sr isotopes are all affected by erosion of detrital carbonate, which reduced through the Holocene. K/Al data suggest that silicate weathering peaked ca. 4–6 ka and was higher at Indus-10 compared to Indus-23. Fine-grained sediments that make up the shelf have geochemical signatures that are different from the coarser grained bulk sediments measured in the delta plain. The Indus Shelf data highlight the complexity of reconstructing records of continental erosion and provenance in marine settings.
    Description: We thank NERC for funding this cruise and postcruise study. Award NSF-OCE 0623766 to LG also funded CP’s participation to the cruise and postcruise studies.
    Description: 2012-07-14
    Keywords: Arabian Sea ; Holocene paleoclimate ; Indus ; Geochemistry ; Neodymium and strontium isotopes
    Repository Name: Woods Hole Open Access Server
    Type: Article
    Format: application/pdf
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