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Tropical Atlantic Climate Variability Recorded In Corals From The Cape Verde Islands And The Eastern Caribbean
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Book Synopsis Tropical Atlantic Climate Variability Recorded in Corals from the Cape Verde Islands and the Eastern Caribbean by : Christopher Stanton Moses
Download or read book Tropical Atlantic Climate Variability Recorded in Corals from the Cape Verde Islands and the Eastern Caribbean written by Christopher Stanton Moses and published by . This book was released on 2005 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Coral Perspective on Last Interglacial Tropical Atlantic Temperature and Hydroclimate Variability by : William M. Brocas
Download or read book A Coral Perspective on Last Interglacial Tropical Atlantic Temperature and Hydroclimate Variability written by William M. Brocas and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Marine Science Frontiers for Europe by : Gerold Wefer
Download or read book Marine Science Frontiers for Europe written by Gerold Wefer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Europe is a continent with a high coast-to-surface ratio, and European seas encompass a broad range of settings and regimes. The sustainable development of living and non-living marine resources, the protection of the marine environment and the provision of marine-based services are critical to economic prosperity and to the quality of life of European citizens. Addressing these concerns, marine-science researchers conducted a workshop reviewing major topics of European marine research. This publication contains overview and thematic background papers, as well as reports and recommendations for future research covering topics such as ocean-climate coupling, biogeochemistry, coastal and shelf processes, and ecosystem functioning/biodiversity.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2006 with total page 884 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Climate in Historical Times by : Hubertus Fischer
Download or read book The Climate in Historical Times written by Hubertus Fischer and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reports on efforts by geoscientists and climate modellers (KIHZ) to assess natural climate variability during the Holocene. Part 1 is an overview of the climate system and its dynamics. Part 2 describes the efforts of the KIHZ members to reconstruct past climate by using proxy data derived from ice cores, lake sediments, tree rings and corals, statistical analyses and climate models.
Book Synopsis Tropical Atlantic and Caribbean Climate Variations During the Past Eight Centuries by : Kelly Halimeda Kilbourne
Download or read book Tropical Atlantic and Caribbean Climate Variations During the Past Eight Centuries written by Kelly Halimeda Kilbourne and published by . This book was released on 2006 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work focuses on reconstructing ocean conditions in the northern Caribbean from the geochemistry of corals growing offshore of southwestern Puerto Rico (17.9°N, 67.0°W). Annually resolved records of Sr/Ca and delta 18O were generated for the years 2004 to 1751 from one continuous core. The same annual samples were analyzed for Delta14C between 2004 and 1950, and every 5 years between 1955-1751. Short (14-4 years) monthly-resolved records of delta18O and Sr/Ca were generated from this core and two other cores to investigate the role of seasonal variability during mean climate state variations.
Book Synopsis Coral Records of Central Tropical Pacific Sea-surface Temperature and Salinity Variability Over the 20th Century by : Intan Suci Nurhati
Download or read book Coral Records of Central Tropical Pacific Sea-surface Temperature and Salinity Variability Over the 20th Century written by Intan Suci Nurhati and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Accurate forecasts of future regional temperature and rainfall patterns in many regions largely depend on characterizing anthropogenic trends in tropical Pacific climate. However, strong interannual to decadal-scale tropical Pacific climate variability, combined with sparse spatial and temporal coverage of instrumental climate datasets in this region, have obscured potential anthropogenic climate signals in the tropical Pacific. In this dissertation, I present sea-surface temperature (SST) and salinity proxy records that span over the 20th century using living corals from several islands in the central tropical Pacific. I reconstruct the SST proxy records via coral Sr/Ca, that are combined with coral oxygen isotopic (d18O) records to quantify changes in seawater d18O (hereafter d18Osw) as a proxy for salinity. Chapter 2 investigates the spatial and temporal character of SST and d18Osw-based salinity trends in the central tropical Pacific from 1972-1998, as revealed by corals from Palmyra (6°N, 162°W), Fanning (4°N, 159°W) and Christmas (2°N, 157°W) Islands. The late 20th century SST proxy records exhibit warming trends that are larger towards the equator, in line with a weakening of equatorial Pacific upwelling over this period. Freshening trends revealed by the salinity proxy records are larger at those sites most affected by the Inter-Tropical Convergence Zone (ITCZ), suggesting a strengthening and/or an equatorward shift of the ITCZ. Taken together, the late 20th century SST and salinity proxy records document warming and freshening trends that are consistent with a trend towards a weakened tropical Pacific zonal SST gradient under continued anthropogenic forcing. Chapter 3 characterizes the signatures of natural and anthropogenic variability in central tropical Pacific SST and d18Osw-based salinity over the course of 20th century using century-long coral proxy records from Palmyra. On interannual timescales, the SST proxy record from Palmyra tracks El Niño-Southern Oscillation (ENSO) variability. The salinity proxy record tracks eastern Pacific-centered ENSO events but is poorly correlated to central Pacific-centered ENSO events - the result of profound differences in precipitation and ocean advection that occur during the two types of ENSO. On decadal timescales, the coral SST proxy record is significantly correlated to the North Pacific Gyre Oscillation (NPGO), suggesting that strong dynamical links exist between the central tropical Pacific and the North Pacific. The salinity proxy record is significantly correlated to the Pacific Decadal Oscillation (PDO), but poorly correlated to the NPGO, suggesting that, as was the case with ENSO, these two modes of Pacific decadal climate variability have unique impacts on equatorial precipitation and ocean advection. However, the most striking feature of the salinity proxy record is a prominent late 20th century freshening trend that is likely related to anthropogenic climate change. Taken together, the coral data provide key constraints on tropical Pacific climate trends, and when used in combination with model simulations of 21st century climate, can be used to improve projections of regional climate in areas affected by tropical Pacific climate variability.
Book Synopsis Coral Records of Ocean-atmosphere Variability by : R. B. Dunbar
Download or read book Coral Records of Ocean-atmosphere Variability written by R. B. Dunbar and published by . This book was released on 1993 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiple Modes of Tropical Pacific Climate Variability Recorded in the [delta]18O of Corals from the Gilbert Islands, Kiribati, West Central Pacific by : Frank E. Urban
Download or read book Multiple Modes of Tropical Pacific Climate Variability Recorded in the [delta]18O of Corals from the Gilbert Islands, Kiribati, West Central Pacific written by Frank E. Urban and published by . This book was released on 1999 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coral Reefs and Climate Change by : Jonathan Turnbull Phinney
Download or read book Coral Reefs and Climate Change written by Jonathan Turnbull Phinney and published by American Geophysical Union. This book was released on 2006-01-10 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published by the American Geophysical Union as part of the Coastal and Estuarine Studies, Volume 61. The effects of increased atmospheric carbon dioxide and related climate change on shallow coral reefs are gaining considerable attention for scientific and economic reasons worldwide. Although increased scientific research has improved our understanding of the response of coral reefs to climate change, we still lack key information that can help guide reef management. Research and monitoring of coral reef ecosystems over the past few decades have documented two major threats related to increasing concentrations of atmospheric CO2: (1) increased sea surface temperatures and (2) increased seawater acidity (lower pH). Higher atmospheric CO2 levels have resulted in rising sea surface temperatures and proven to be an acute threat to corals and other reef-dwelling organisms. Short periods (days) of elevated sea surface temperatures by as little as 1–2°C above the normal maximum temperature has led to more frequent and more widespread episodes of coral bleaching-the expulsion of symbiotic algae. A more chronic consequence of increasing atmospheric CO2 is the lowering of pH of surface waters, which affects the rate at which corals and other reef organisms secrete and build their calcium carbonate skeletons. Average pH of the surface ocean has already decreased by an estimated 0.1 unit since preindustrial times, and will continue to decline in concert with rising atmospheric CO2. These climate-related Stressors combined with other direct anthropogenic assaults, such as overfishing and pollution, weaken reef organisms and increase their susceptibility to disease.
Book Synopsis Climate Signatures in Corals of the Tropical-temperate Transition Zone (late Miocene, Crete, Greece) by : Markus Reuter
Download or read book Climate Signatures in Corals of the Tropical-temperate Transition Zone (late Miocene, Crete, Greece) written by Markus Reuter and published by . This book was released on 2006 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Decadal Climate Variability in the Western Tropical Atlantic and the Potential for Proxy Records from the Coral Siderastrea Siderea by : Nathalie E. G. Smith
Download or read book Decadal Climate Variability in the Western Tropical Atlantic and the Potential for Proxy Records from the Coral Siderastrea Siderea written by Nathalie E. G. Smith and published by . This book was released on 1997 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Interannual and Decadal Climate Variability in Coral and Instrumental Records, with a Focus on the Western Indian Ocean by : David Ericsson Hunter
Download or read book Interannual and Decadal Climate Variability in Coral and Instrumental Records, with a Focus on the Western Indian Ocean written by David Ericsson Hunter and published by . This book was released on 2003 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tropical North Atlantic Climate Variability Through the Last 2000 Years Deduced from Hermatypic Corals and Marine Sediments by : Johan Nyberg
Download or read book Tropical North Atlantic Climate Variability Through the Last 2000 Years Deduced from Hermatypic Corals and Marine Sediments written by Johan Nyberg and published by . This book was released on 2001 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Global Climate Change and Coral Reefs by : Clive R. Wilkinson
Download or read book Global Climate Change and Coral Reefs written by Clive R. Wilkinson and published by IUCN. This book was released on 1994 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: A global overview of the potential impacts of climate change and sea level rise on coral reefs, and of the implications of such impacts for ecological sustainable use of coral reefs. Includes information on the status and trends of reef conservation and use around the world, and suggestions for management of reefs in a changing world.
Book Synopsis The Atlantic Niño and Caribbean Climate Variability by : Kathryn Giesa
Download or read book The Atlantic Niño and Caribbean Climate Variability written by Kathryn Giesa and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Atlantic Niño is major mode of oceanic variability associated with warm sea surface temperature (SST) anomalies in the western tropical Atlantic Ocean. The SST variability is primarily forced by diabatic effects and the Bjerknes feedback. Changes in the tropical Atlantic SSTs are known to impact the climates of portions of Africa and India. However, the effects of the Atlantic Niño on Caribbean climate have yet to be discussed. This research explores the relationship between the Atlantic Niño SST variability and Caribbean climate. Reanalysis data from the National Center for Environmental Protection (NCEP) was collected for the Caribbean region, including monthly values of mean air temperature, total precipitation, and SSTs for the period 1951-2021. Station data for 16 total stations were also obtained, from the National Center for Environmental Information (NCEI) to analyze the relationship between the Atlantic Niño and local temperature and precipitation variability across the Caribbean region. In addition, strong associations were also found between regional Caribbean SSTs and air temperature. Finally, a similar, but weaker relationship, was found between the more localize station data and the Atlantic Niño.
Book Synopsis Meetings Abstracts, January-August 2006 by :
Download or read book Meetings Abstracts, January-August 2006 written by and published by . This book was released on 2006 with total page 1436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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