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An open ocean record of the Toarcian oceanic anoxic event
ocean record Toarcian oceanic anoxic event
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2014/12/31
Oceanic anoxic events were time intervals in the Mesozoic characterized by widespread distribution of marine organic matter-rich sediments (black shales) and significant perturbations in the global ca...
Documenting the History of Oxygen Depletion in Lake St. Croix, Minnesota, Using Chironomidae Remains in the Sedimentary Record
Lake St. Croix midge Chironomidae volume weighted hypolimnetic oxygen transfer function eutrophication
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2014/11/4
Lake St. Croix is a natural impoundment located at the southern end of the St. Croix River. Land use changes since European settlement (c. 1850) have resulted in nutrient runoff, eutrophication, and p...
A 1,000 year high-resolution hurricane history for the Boston area based on the varved sedimentary record from the Lower Mystic Lake (Medford/Arlington, MA)
The mysterious lake medford low altitude the port of Boston stratigraphy swamp
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2014/10/22
The Lower Mystic Lake (Medford/Arlington, MA) is a 24 m deep, ectogenically meromictic, low elevation (1 m a.s.l.), coastal lake directly connected to Boston Harbor by the Mystic River. About 1,000 ye...
Paleoceanography and paleoenvironmental changes of the Cenomanian-Turonian boundary interval (94-93 Ma): The record of Oceanic Anoxic Event 2 in the central and eastern parts of the Western Interior Sea
Cretaceous Oceanic Anoxic Event 2 Cenomanian-Turonian boundary Foraminifera Paleoceanography Western Interior Sea
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2014/10/22
The Cenomanian/Turonian (C/T) boundary marine strata of the Late Cretaceous Western Interior Sea (WIS) exhibit a positive carbon isotopic excursion in the bulk-carbonate and organic carbon. This marks...
A High-Resolution Temperature Record from Lakes of the Lofoten Islands, Northwestern Norway based on a New UK37 Temperature Calibration from in situ Measurements
A High-Resolution Temperature Record Lakes of the Lofoten Islands Northwestern Norway a New UK37 Temperature Calibration
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2014/10/22
The temperature-sensitive lipids, long chain alkenones (LCAs), are considered to be a powerful paleothermometer in deciphering the variability of sea surface temperature (SST) through time. Recent stu...
Holocene Climate and Environmental Changes: Disentangling Natural and Anthropogenic Signals in the Sedimentary Record of Lake Lilandsvatnet (NW Norway),
Holocene Climate and Environmental Changes Disentangling Natural Anthropogenic Signals Sedimentary Record of Lake Lilandsvatnet
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2014/10/21
This thesis presents a multi-proxy paleoenvironmental reconstruction from the sedimentary archives of Lilandsvatnet, a small arctic lake on Vestvågøy, in the Lofoten Islands, Norway. Lofoten...
Holocene Paleo-environmental Variability Reconstructed from a Lake Sediment Record from Southeast Greenland
Holocene Paleoenvironmental Variability Reconstructed a Lake Sediment Record Southeast Greenland
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2014/10/21
Arctic climate variability over the Holocene has been both extensive and, at times, abrupt. Current understanding of these changes is still quite limited with few highresolution paleoclimate records a...
Documenting the History of Oxygen Depletion in Lake St. Croix, Minnesota, Using Chironomidae Remains in the Sedimentary Record
Oxygen Depletion in Lake St. Croix Minnesota Chironomidae Remains the Sedimentary Record
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2014/10/20
Lake St. Croix is a natural impoundment located at the southern end of the St. Croix River. Land use changes since European settlement (c. 1850) have resulted in nutrient runoff, eutrophication, and p...
Urban waters record salt in our food, cement in our sidewalks
waters food cement
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2014/9/12
The following is part sixteen in a series on the National Science Foundation's Long-Term Ecological Research (LTER) Network. Visit parts one, two, three, four, five, six, seven, eight, nine, ten, elev...
Rewriting the history of volcanic forcing during the past 2000 years A year-by-year record of volcanic eruptions from a comprehensive Antarctic ice core array(图)
The desert The South Pole. The volcano. Climate change Sulfur dioxide Sulfate Ice cores
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2014/7/18
RENO – A team of scientists led by Michael Sigl and Joe McConnell of Nevada’s Desert Research Institute (DRI) have completed the most accurate and precise reconstruction to date of historic volcanic s...
Quantitative bounds on morphodynamics and implications for reading the sedimentary record
Quantitative bounds on morphodynamics implications for reading sedimentary record
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2014/4/8
Sedimentary rocks are the archives of environmental conditions and ancient planetary surface processes that led to their formation. Reconstructions of Earth’s past surface behaviour from the physical ...
《矿物记实杂志》(The Mineralogical Record)(图)
矿物记实杂志 The Mineralogical Record
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2014/4/8
Congratulations! In arriving at the Mineralogical Record website you have made a connection with people who love minerals as much as you do, whether you are a beginner or an advanced mineral collector...
Peru's Manu National Park sets new biodiversity record(图)
biodiversity record Peru's Manu National Park
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2014/3/20
When it comes to amphibian and reptile biodiversity, the eastern slopes of the Andes Mountains in South America stand out. A new survey of "herps" in and around Manu National Park in Peru by the Unive...
Soil production breaks geologic speed record(图)
Soil production rock
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2014/3/17
Geologic time is shorthand for slow-paced. But new measurements from steep mountaintops in New Zealand shows that rock can transform into soil more than twice as fast as previously believed possible.
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Atmospheric carbon to hit five-million-year record, marine expert warns(图)
Atmospheric carbon
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2014/7/11
The Earth's atmospheric concentration of carbon dioxide (CO2) is about to rise to 400 parts per million (ppm) for the first time in five million years, a scientist at The University of Queensland warn...