and graduate students led by Lhoussaine Bouchaou of the Applied Geology and Geo-Environment Laboratory at Ibn Zohr University.
The U s. Geological Survey is leading the collaborative project with the Chilean government to understand glacier processes within the context of climate change impacts from human activities.
by the Virginia Institute of Marine Science and U s. Geological Survey. The little crustacean grazers some resembling tiny shrimp are critical in protecting seagrasses from overgrowth by algae helping keep these aquatic havens healthy for native
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The result is that we see a change in forest hydrology Green said. We still have to determine
Forest Service scientists collaborated with the U s. Geological Survey and the University of Wisconsin for both studies.
and tropical ecologists from the UK USA Australia and Brazil and was led by Dr Chris Huntingford from the Centre for Ecology & Hydrology in the UK.
Lead author Dr Chris Huntingford from the Centre for Ecology & Hydrology in the UK said The big surprise in our analysis is that uncertainties in ecological models of the rainforest are significantly larger than uncertainties from differences in climate projections.
and the Centre for Ecology & Hydrology said Building on this study one of the big challenges that remains is to include in Earth system models a full representation of thermal acclimation and adaptation of the rainforest to warming.
& Hydrology (UK) National Center for Atmospheric Research (USA) The Australian National University (Australia) CCST/Inst Nacl Pesquisas Espaciais (INPE)( Brazil) James Cook
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and Imaging the De Montfort University team#along with Dr Michael Watts from The british Geological Survey Keyworth Nottingham UK#has identified varieties that are low in arsenic but high in essential trace elements such as
because most volcanoes are located on island arcs tectonic plate boundaries that don't contain continental crust.
Lee and colleagues found that the planet's greenhouse-icehouse oscillations are a natural consequence of plate tectonics.
The research showed that tectonic activity drives an episodic flare-up of volcanoes along continental arcs particularly during periods
The standard view of the greenhouse state is that you draw carbon dioxide from the deep Earth interior by a combination of more activity along the mid-ocean ridges--where tectonic plates spread--and massive breakouts of lava called'large igneous
Tectonic and petrological evidence indicated that many Etna-like volcanoes existed during the Cretaceous greenhouse Lee said.
There is evidence to support our idea both in the geological record and in geophysical models the latter
and the NERC Centre for Ecology & Hydrology has shown that these variations reveal how vulnerable the rainforest is to climate change.
since she was banded first by U s. Geological Survey scientist Chandler Robbins in 1956. Robbins estimated Wisdom to be at least 5 years old at the time
which through the hydrological cycle are interconnected to other ecosystems at local and distant locations being highly sensitive to a broad array of human impacts.
The principal threat to most Amazon freshwater ecosystems is large-scale alteration of the basin's natural hydrology.
These infrastructure projects together with deforestation-induced changes to regional rainfall could fundamentally change the hydrology of Amazon freshwater systems she added.
if uncontrolled such hydrological alterations could disrupt fish migrations and associated fishery yields threatening riverine livelihoods and food security.
which was published online in Geology on Jan 17. Feakins worked with USC graduate student Hannah M. Liddy USC undergraduate student Alexa Sieracki Naomi E. Levin of Johns hopkins university Timothy
Famiglietti an Earth system science professor in the School of Physical sciences and colleague Min-Hui Lo a postdoctoral researcher at the University of California Center for Hydrologic Modeling who is now at National Taiwan
#New Antarctic geological timeline aids future sea-level predictionsradiocarbon dates of tiny fossilised marine animals found in Antarctica's seabed sediments offer new clues about the recent rapid
Reporting this month in the journal Geology a team of researchers from British Antarctic Survey (BAS) the Alfred Wegener Institute for Polar and Marine Research (AWI)
if the recent rapid changes are unusual in the geological past. The team studied the average rate of glacial retreat since the end of the last Ice age around 12000 years ago.
and U s. Geological Survey satellite program is resulting in for the first time the ability to tease out the small events that can cause big changes in an ecosystem.
Kennedy created the Landtrendr program specifically to work with data from the NASA and U s. Geological Survey (USGS) Landsat program.
and Thomas Veblen from CU-Boulder John Stednick from Colorado State university Charles Rhoades from the U s. Forest Service Jennifer Briggs and David Clow from the U s. Geological Survey
Consulting geologist Stewart Redwood determined that the cache consists of a small dacite stone fashioned into a cylindrical tool;
Rocks melt at greater depth than once thoughtmagma forms far deeper than geologists previously thought according to new research at Rice university.
A group led by geologist Rajdeep Dasgupta put very small samples of peridotite under very large pressures in a Rice laboratory to determine that rock can
That has confounded geologists who suspected but could not demonstrate the existence of deeper silicate magma said Dasgupta an assistant professor of Earth science at Rice.
and geologists have been surprised to detect waves slowing down through what should be the mantle's express lane.
Seismologists have observed anomalies in their velocity data as deep as 200 kilometers beneath the ocean floor Dasgupta said.
Our field of research is called experimental petrology he said. We have all the necessary tools to simulate very high pressures (up to nearly 750000 pounds per square inch for these experiments) and temperatures.
Research Professor Anthony Withers and Marc Hirschmann the George and Orpha Gibson Chair of Earth and Planetary Sciences at the University of Minnesota and Greg Hirth a professor of geological sciences
& Hydrology and colleagues in a review published this month in Frontiers in Ecology and the Environment:
Scientists with the U s. Geological Survey and Eckerd College recently published research on a newly discovered refuge for reef-building corals in mangrove habitats of the U s. Virgin islands.
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and animal populations that are so pervasive as to warrant classification of a new geologic period in Earth's history--the Anthropocene the Age of Humans.
This change in environment can affect stream hydrology and biogeochemistry said Dodds who has studied streams
and raised by their parents at the U s. Geological Survey's Patuxent Wildlife Research center in Laurel Maryland were released on the U s. Fish and Wildlife Service's Necedah National Wildlife Refuge in Wisconsin.
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The study available online this week in the journal PLOS ONE offers the first detailed explanation for the hydrological mystery.
Not all biochar is created equal and one of the important lessons of recent studies is that the hydrological properties of biochar can vary widely depending on the temperature
Barnes said the team chose to make its comparison with simple relatively homogenous soil materials to compare results to established hydrologic models that relate water flow to a soil's physical properties like bulk density and porosity.
The scientists were careful to find a gradient of temperature change where potentially confounding factors were held constant including vegetation composition disturbance history geology and soil type and moisture.
#Tree rings used to determine history of geological features, arroyosa new GSA Bulletin study uses tree rings to document arroyo evolution along the lower Rio Puerco and Chaco
Study authors Jonathan Friedman of the U s. Geological Survey and colleagues note that although the channels of the Rio Puerco and Chaco Wash are narrow like an erosional gully
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Numerous previous studies have shown that casings fail between 1 percent and 10 percent of the time depending on geology and well construction.
at the U s. Geological Survey. I am proud that these agencies have collaborated with the Smithsonian and many others on today's report.
Analysis of time series data by Cassie Gurbisz and Michael Kemp of the University of Maryland Center for Environmental science's Horn Point Laboratory was published in the March 2014 issue of Limnology and Oceanography.
Understanding of Sierran hydrology has improved recently with the National Science Foundation's Critical Zone Observatory
In their study for Geology published online on 28.aug 2014 researchers Camilla Crifã and colleagues used leaf vein density a trait visible on leaf compression fossils to document the occurrence of stratified forests with a canopy dominated by flowering plants.
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and hydrology the researcher uses light detecting and ranging commonly called LIDAR. The laser mapping technique gathers remote sensing data via an airplane.
Co-authors include Adam Dale Dr. Rob Dunn and Dr. Steve Frank of NC State and Dr. Adam Terando of the U s. Geological Survey and NC State.
and storm flow from forest watersheds in the southern Appalachians according to a new study by U s. Forest Service scientists at the Coweeta Hydrologic Laboratory (Coweeta) located in Otto North carolina.
#Ravens rule Idahos artificial roostsa new study by the Wildlife Conservation Society (WCS) U s. Geological Survey (USGS) and Idaho State university (ISU) explored how habitat alterations
Big fires today are not outside the range of historical variation in size said Jon Keeley an ecologist based in Three Rivers Cal. with the U s. Geological Survey's Western Ecological Research center and a Fellow of the Ecological Society.
but this species belonging to such a unique endemic island lineage is more special than that said Dr. Art Medeiros biologist with the U s. Geological Survey on Maui.
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but the news isn't all bad according to Dr. Srinivasulu Ale Agrilife Research geospatial hydrology assistant professor in Vernon Texas. Long-term (1930-2010) trends in groundwater levels in Texas:
Previous hydrologic studies on Texas groundwater levels were conducted mostly on an aquifer-specific basis and lacked the statewide panoramic view Ale
and surface-water use patterns soil characteristics geology and land cover types to better understand the water-level changes in Texas. For instance the South Plains
In addition to population growth in GMA 8 the high clay content in soils coupled with shale/claystone type geology
Due to their very generic nature techniques used in this study can also be applied to other areas with similar eco-hydrologic issues to identify regions that warrant future management actions.
and is part of an ongoing cooperative study with the Chinese Academy of Geological Sciences. It was classified previously as a coelurosaurian theropod dinosaur from
The early Eocene is a time in the geological past that helps us understand how present day Canada came to have the temperate plants
which is heating up at about twice the rate of the rest of the planet due to increasing greenhouse gases said CU-Boulder geological sciences Associate professor Jaelyn Eberle a study co-author.
A paper on the subject was published online June 30 in the journal Geology. Other co-authors include David Bell from the University of Wyoming Dewayne Fox from Delaware State university
Increased freshwater runoff from the land due to an intensified hydrologic cycle and a humid Arctic would have turned it more brackish pretty quickly she said.
and Japan--combined a hydrological model with domestic and international trade simulations to determine the efficiency of China's food trade in terms of water use as well as the role of foreign trade in this virtual water-trade system.
The researchers examined population data of grassland species in the 48 contiguous United states from the U s. Geological Survey North american Breeding Bird Survey.
He argues that geoarchaeology--a relatively new science that combines aspects of geology and archaeology--offers the potential to make dramatic contributions to our understanding of how climate change
and spatial accuracy said Jack Mustard professor of geological sciences at Brown and another of the study's authors.
Dominating hypotheses point out Pleistocene glaciations--which took place between 2. 5 years ago and 20000 years ago--or Tertiary tectonic geological reorganizations Tertiary
and has been shaped by complex interactions between ancient geological events and more recent evolutionary processes whereas Pleistocene climate changes had a minor influence in generating present-day diversity
when the Antarctic Geological Drilling Program (ANDRILL) sent a remotely operated submersible vehicle into holes that had been drilled into the ice.
Co-authors also include UM alumna Sasha Reed at the U s. Geological Survey and researchers at the University of Colorado-Boulder and the University of Connecticut.
According to their research published online this week in The Proceedings of the National Academy of Sciences these fossil beetles indicate that during a period of global warming in the geological past there were mild frost-free winters extended even in the uplands
and Brian Kiel a Ph d. candidate in geology at the university's Jackson School of Geosciences provides valuable information to those who manage water quality efforts including the tracking of nitrogen fertilizers used to grow crops in the Midwest in the Mississippi river
Using detailed ground-level data from the United states Geological Survey (USGS) and Environmental protection agency Cardenas and Kiel analyzed the waterways for sinuosity (how much they bend and curve);
Lead author Dr Lindsay Banin from the UK's Centre for Ecology & Hydrology said In Borneo dipterocarps--a family of large trees with winged seeds--produce wood more quickly than their neighbours.
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Currano assistant professor of geology and environmental earth science Miami University of Ohio; Conrad C. Labandeira department of paleobiology Smithsonian Institution and department of entomology University of Maryland.
Another study co-author Kim Wickland United states Geological Survey said This study provides important data for better accounting of how methane emissions change after wetland drainage and flooding.
Natural gas from geological sources contains methane as well as substantial quantities of ethane propane and butane. We have shown that one microbe can grow on both methane and propane at a similar rate.
and Hydrology said Human's use of nitrogen is a major societal challenge that links environment food security and human health.
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Clow of the U s. Geological Survey in their paper. Dead trees create changes in water qualityusing'fingerprints'of different water sources defined by the sources'water chemistry we found that a higher fraction of late-summer streamflow in affected watersheds comes from groundwater rather than surface
whose results are preserved in the geologic record. By analyzing samples from the Greenland ice sheet University of Washington atmospheric scientists found clear evidence of the U s. Clean Air Act.
They discovered a link between the two forms of pollution in the geologic record. Nitrogen is emitted as a short-lived compound NOX
Eventually better understanding of the air chemistry during formation of the layers could allow researchers to correct for the effect extracting better information of the past from these compounds in the geologic record.
BLM's interventions have not helped to restore habitat for the greater sage grouse (Centrocercus urophasianus) reported scientists from the US Geological Survey (USGS)
and weight of the catch for 40 species. The hydrological data include daily water level measurements recorded in the Madeira Purus and Amazonas-Solimã es rivers.
and Rice alumna Karen Lozano a professor of mechanical engineering and Mircea Chipara an assistant professor of physics and geology both of the University of Texas Pan American Edinburg Texas. Ajayan is Rice
and Water Assessment Tool (SWAT) to simulate the effects of different land uses on watershed hydrology
Despite the region's importance in the global climate system not much is known about its own climate history says James Russell associate professor of geological sciences at Brown.
As you start varying the hydrological cycle of Indonesia you almost have to vary the Earth's water vapor concentration.
In the laboratory they analyzed their chemical physical and hydrological qualities and discovered that the concentration of sodium in the soil is crucial for its stability.
Understanding this convection is therefore fundamental to the study of plate tectonics. The mantle is made up of solid rocks.
Cruise and researchers from the University of Maryland-College Park and the U s. Dept of agriculture's Hydrology and Remote Sensing Laboratory in Beltsville Md.
Mishra's North Alabama sensor research done in conjunction with USDA's Hydrology and Remote Sensing Laboratory covered a 10-square-kilometer area that included dry land-farmed crops relying on rainfall only irrigated crops varying crop types pasture and fallow land.
A region of ultra-high biodiversity the western Amazon harbors thousands of plant species that grow at different elevations and in different soils on different geologies.
and elevation--two geological factors they must negotiate as living organisms. Within these communities the trees have evolved chemical portfolios that are different from one another maybe to help each species take a place in its community
and levees loss of wetlands and flood-holding capacity internal channelization of the Cache River and tributaries and an ever-changing climate have altered the hydrology of the valley redistributed soil from fields
and Mississippi riversâ#Olson said As the 2011 Ohio river floodwater reclaimed its ancient floodway Olson says that the extent of these hydrologic changes
But according to the paper published in the Hydrology and Earth System Sciences journal intensive organic matter using composted manure prior to planting resulted in significantly higher groundwater pollution rates compared with liquid fertilization techniques through drip irrigation.
Holly Dunsworth URI assistant professor of anthropology said that the research team found fossils of a single individual of Proconsul which lived 18 to 20 million years ago among geological deposits that also contained
#San franciscos big 1906 earthquake was third of a series on San Andreas Faultresearch led by a University of Oregon doctoral student in California's Santa cruz Mountains has uncovered geologic evidence that supports historical
Continuing work says San francisco bay-area native Ashley R. Streig will dig deeper into the region's geological record--layers of sediment along the fault--to determine
Streig is lead author of the study published in this month's issue of the Bulletin of the Seismological Society of America.
She collaborated on the project with her doctoral adviser Ray Weldon professor of the UO's Department of Geological Sciences and Timothy E. Dawson of the Menlo Park office of the California Geological Survey.
We found the first geologic evidence of surface rupture by what looks like the 1838 and 1890 earthquakes as well as 1906 said Streig whose introduction to major earthquakes came at age 11 during the 1989 Loma Prieta Earthquake on a deep
This is the first time we have had good clear geologic evidence of these historic 19th century earthquakes she said.
and the geologic earthquake evidence coincides with written accounts describing local earthquake damage including damage to Spanish missions in 1838 and in a USGS publication of earthquakes in 1890 catalogued by an astronomer from Lick Observatory.
Additionally in 1906 individuals living near the Hazel Dell site reported to geologists that cracks from the 1906 earthquake had occurred just where they had 16 years earlier in 1890
More broadly Weldon said having multiple paleoseismic sites close together on a major fault geologists now realize that interpretations gleaned from single-site evidence probably aren't reliable.
The U s. Geological Survey funded the research through grants 08-HQ-GR-0071 08-HQ-GR-0072 G10ap00064 G10ap0065 and G11ap20123.
A Geological Society of America Student Research Grant to Streig funded the age-dating of the team's evidence at the Lawrence Livermore National Laboratory's Center for Accelerator Mass Spectrometry.
which can lead to glacial conditionsâ#explains lead-author Joe Quirk from the University of Sheffield. â#oeover the last 24 million years the geologic conditions were such that atmospheric CO2Â could have fallen to very low levels â
Dr Michael Pocock an ecologist at the Centre for Ecology & Hydrology and lead author of the research paper said This is the sort of science that anyone can Do by taking part the public are doing real science
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and ultimately link this to satellite observations where we think changes in plant cycles due to climate change are being expressed on a global scale said Jack Mustard professor of geological sciences at Brown.
The study was led by Nate L. Stephenson of the U s. Geological Survey Western Ecological Research center. Three Oregon State university researchers are co-authors:
A new study by the Wildlife Conservation Society Idaho State university and the U s. Geological Survey suggests that habitat fragmentation
Authors include Kristy Howe of the Wildlife Conservation Society and Idaho State university Peter Coates of the U s. Geological Survey and David Delehanty of Idaho State university.
The observations suggest there is a complex interplay between geological oceanographic and climatic processes. The study stresses the importance of both local geology and climate variability in ocean melting in this region.
Lead author Dr Pierre Dutrieux from British Antarctic Survey (BAS) said: We found ocean melting of the glacier was the lowest ever recorded
Just Tuesday, the U s. Geological Survey released a report saying government programs encouraging biofuel production caused corn acreage in the Mississippi Delta to grow 288 percent in 2007,
despite a 30 percent population increase during the same time period, according to a new U s. Geological Survey report.
This finding meshes nicely with the net energy cliff model proposed by geologist Euan Mearns,
we need models that include both the economic effects of resource substitution and the geological effects of depletion across the entire energy sector.
instead of eliminating it from the hydrological cycle completely. It's all related to rebalancing the supply-demand equation.
You said that wastewater is eliminated often from the hydrological cycle. What do you mean? JF:
and hydrology. i-Tree, which is free to use and has a mobile version (for remote data logging),
and in fact, he devoted an entire chapter in his book, On the Origin of Species, to imperfections in the geological record in general.
and the tech that might save humanshumans are considered now to be the greatest force impacting the geology of Earth.
Can we innovate our way out of climate and geologic problems? As the American writer Stewart Brand wrote in his 1969 Whole Earth Catalogue:
The Anthropocene is a potential new geologic era in the Earth history. It been proposed by some scientists because the most recent era,
Beyond climate change, how have affected we humans the Earth to such a degree that we warrant our own geologic era?
We also do a lot of things that are geologic in scope. We move more earth and stone than all the world rivers.
And we have created some new compounds that will be in the geologic record for a long time to come, the most ubiquitous
That is if we want the Anthropocene to be more than a blip in the geologic record.
Mysterious site spotted from space Mysterious geological site spotted from space Mysterious â Ëoenazca Lines â â¢ruins discovered in Saudi desert Did a robot discover Jesus â â¢tomb
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