Search Results - "Giosan, L."

Southern Hemisphere forcing of South Asian monsoon precipitation over the past ~1 million years by Gebregiorgis, D., Hathorne, E. C., Giosan, L., Clemens, S., Nürnberg, D., Frank, M.

“…The orbital-scale timing of South Asian monsoon (SAM) precipitation is poorly understood. Here we present new SST and seawater δ 18 O (δ 18 Osw) records from…”
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Deglacial floods in the Beaufort Sea preceded Younger Dryas cooling by Keigwin, L. D., Klotsko, S., Zhao, N., Reilly, B., Giosan, L., Driscoll, N. W.

“…A period of cooling about 13,000 years ago interrupted about 2,000 years of deglacial warming. Known as the Younger Dryas (YD), the event is thought to have…”
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Sediment fluxes and buffering in the post-glacial Indus Basin by Clift, P. D., Giosan, L.

“…The Indus drainage has experienced major variations in climate since the Last Glacial Maximum (LGM) that have affected the volumes and compositions of the…”
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What Can We Learn From X‐Ray Fluorescence Core Scanning Data? A Paleomonsoon Case Study by D. Gebregiorgis, L. Giosan, E. C. Hathorne, P. Anand, K. Nilsson‐Kerr, A. Plass, A. Lückge, S. C. Clemens, M. Frank

“…Abstract X‐ray fluorescence (XRF) core scanning of marine and lake sediments has been extensively used to study changes in past environmental and climatic…”
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Stable ≠ Sustainable: Delta Dynamics Versus the Human Need for Stability by Passalacqua, P., Giosan, L., Goodbred, S., Overeem, I.

“…Arising from the non‐uniform dispersal of sediment and water that build deltaic landscapes, morphological change is a fundamental characteristic of river delta…”
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Climatically Driven Changes in the Supply of Terrigenous Sediment to the East China Sea by C. H. Anderson, R. W. Murray, A. G. Dunlea, L. Giosan, C. W. Kinsley, D. McGee, R. Tada

“…Abstract We examine the paleoceanographic record over the last ∼400 kyr derived from major, trace, and rare earth elements in bulk sediment from two sites in…”
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Sedimentation rates from calcareous nannofossil and planktonic foraminifera biostratigraphy in the Andaman Sea, northern Bay of Bengal, and eastern Arabian Sea by Flores, J.A., Johnson, J.E., Mejía-Molina, A.E., Álvarez, M.C., Sierro, F.J., Singh, S.D., Mahanti, Syamal, Giosan, L.

“…In this study we determined calcareous nannofossil and planktonic foraminifera events in sediments recovered during the 2006 Indian National Gas Hydrate…”
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A late Miocene–Early Pliocene biogenic silica crash in the Andaman Sea and Bay of Bengal by Cawthern, T., Johnson, J.E., Giosan, L., Flores, J.A., Rose, K., Solomon, E.

“…Variations in the mass accumulation rate of biogenic silica (BSi) in continental margin sediments can be used to reconstruct relative changes in productivity…”
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Composition and origin of authigenic carbonates in the Krishna–Godavari and Mahanadi Basins, eastern continental margin of India by Teichert, B.M.A., Johnson, J.E., Solomon, E.A., Giosan, L., Rose, K., Kocherla, M., Connolly, E.C., Torres, M.E.

“…The mineralogical and stable isotopic composition of authigenic carbonates from the Krishna–Godavari (KG) and Mahanadi Basin provide a deeper insight into the…”
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Simulating fluvial fluxes in the Danube watershed: The ‘Little Ice Age’ versus modern day by McCarney-Castle, K., Voulgaris, G., Kettner, A.J., Giosan, L.

“…Climate change and human activities in Europe have altered erosion and riverine sediment transport for thousands of years. The Danube River basin, the second…”
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Evidence of a South Asian Proto‐Monsoon During the Oligocene‐Miocene Transition by Beasley, C., Kender, S., Giosan, L., Bolton, C. T., Anand, P., Leng, M. J., Nilsson‐Kerr, K., Ullmann, C. V., Hesselbo, S. P., Littler, K.

“…The geological history of the South Asian monsoon (SAM) before the Pleistocene is not well‐constrained, primarily due to a lack of available continuous…”
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Astronomical age models for Pleistocene drift sediments from the western North Atlantic (ODP Sites 1055–1063) by Grützner, J, Giosan, L, Franz, S.O, Tiedemann, R, Cortijo, E, Chaisson, W.P, Flood, R.D, Hagen, S, Keigwin, L.D, Poli, S, Rio, D, Williams, T

“…Ten ODP sites drilled in a depth transect (2164–4775 m water depth) during Leg 172 recovered high-deposition rate (>20 cm/kyr) sedimentary sections from…”
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The adoption of agropastoralism and increased ENSO frequency in the Andes by Nascimento, M.N., Mosblech, N.A.S., Raczka, M.F., Baskin, S., Manrique, K.E., Wilger, J., Giosan, L., Benito, X., Bush, M.B.

“…Humans have been present in the Andes since about 12,000 calibrated years before present (cal yr BP), transitioning from hunter-gatherers to agropastoralist…”
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A human role in Andean megafaunal extinction? by Raczka, M.F., Mosblech, N.A., Giosan, L., Valencia, B.G., Folcik, A.M., Kingston, M., Baskin, S., Bush, M.B.

“…A new fossil pollen, Sporormiella, and sediment chemistry record from Lake Llaviucu, Ecuador, spanning the period from 16,280–9000 years Before Present,…”
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Wave-influenced deltas: geomorphological implications for facies reconstruction by Bhattacharya, Janok P., Giosan, Liviu

“…ABSTRACT A process‐based facies model for asymmetric wave‐influenced deltas predicts significant river‐borne muds with potentially lower quality reservoir…”
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Pliocene expansion of C4 vegetation in the Core Monsoon Zone on the Indian Peninsula by Dunlea, Ann G, Giosan, Liviu, Huang, Yongsong

“…The expansion of C4 vegetation during the Neogene was one of the largest reorganizations of Earth's terrestrial biome. Once thought to be globally synchronous…”
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From soil to sea: sources and transport of organic carbon traced by tetraether lipids in the monsoonal Godavari River, India by Kirkels, Frédérique M. S. A, Zwart, Huub M, Usman, Muhammed O, Hou, Suning, Ponton, Camilo, Giosan, Liviu, Eglinton, Timothy I, Peterse, Francien

“…Monsoonal rivers play an important role in the land-to-sea transport of soil-derived organic carbon (OC). However, spatial and temporal variation in the…”
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Neoglacial climate anomalies and the Harappan metamorphosis by Giosan, Liviu, Orsi, William D., Coolen, Marco, Wuchter, Cornelia, Dunlea, Ann G., Thirumalai, Kaustubh, Munoz, Samuel E., Clift, Peter D., Donnelly, Jeffrey P., Galy, Valier, Fuller, Dorian Q.

“…Climate exerted constraints on the growth and decline of past human societies but our knowledge of temporal and spatial climatic patterns is often too…”
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Influence of Hydraulic Connectivity on Carbon Burial Efficiency in Mackenzie Delta Lake Sediments by Lattaud, J., Bröder, L., Haghipour, N., Rickli, J., Giosan, L., Eglinton, T. I.

“…The Arctic is undergoing accelerated changes in response to ongoing modifications to the climate system, and there is a need for local to regional scale…”
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Testing the physical oceanographic implications of the suggested sudden Black Sea infill 8400 years ago by Siddall, M., Pratt, Lawrence J., Helfrich, Karl R., Giosan, L.

“…We apply a shock‐capturing numerical model based on the single‐layer shallow water equations to an idealized geometry of the Black Sea and the Sea of Marmara…”
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