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UrduFocus on ancient warm climate clues
Tag: Geography
Geographers find tipping point in deforestation
Global satellite imagery shows transitions occur quickly after blocks of forest are cut in half
International team starts on drilling expedition
Focus on ancient warm climate clues
Geographers find tipping point in deforestation
Global satellite imagery shows transitions occur quickly after blocks of forest are cut in half
If trees could talk: Using historic log structures to map migration of Europeans, Native Americans
Log cabins in West Virginia’s Appalachian Mountains have a story to tell: when people leave, the forest takes over. Researchers at West Virginia University are using tree-ring dating to determine not only when trees were cut down to build historic…
A better estimate of water-level rise in the Ganges delta
For the first time, scientists have provided reliable regional estimates of land subsidence and water-level rise in the Ganges-Brahmaputra-Meghna delta. Depending on the region of the delta, water-level rise could reach 85 to 140 cm by 2100. The work, published…
A better estimate of water-level rise in the Ganges delta
For the first time, scientists have provided reliable regional estimates of land subsidence and water-level rise in the Ganges-Brahmaputra-Meghna delta. Depending on the region of the delta, water-level rise could reach 85 to 140 cm by 2100. The work, published…
SFU research points to unprecedented and worrying rise in sea levels
A new study led by Simon Fraser University’s Dean of Science, Prof. Paul Kench, has discovered new evidence of sea-level variability in the central Indian Ocean. The study, which provides new details about sea levels in the past, concludes that…
The global reef expedition: French Polynesia
Scientists complete largest comprehensive study of French Polynesia’s coral reefs
Untangling links between nitrogen oxides and airborne sulfates helps tackle hazy air pollution
Dense, hazy fog episodes characterized by relatively high humidity, low visibility and extremely high PM2.5 have been a headache to many megacities including those in Mainland China. Among pollutants that are less than 2.5 microns in diameter (PM2.5), airborne sulfate…
High carbon footprint families identified by sweets and restaurant food, not higher meat consumption
Families with high carbon footprints consume two to three times more sweets and alcohol than those with low footprints Study by experts in Sheffield and Kyoto, Japan, found meat consumption explained less than 10 per cent of difference in carbon…
High carbon footprint families identified by sweets and restaurant food, not higher meat consumption
Families with high carbon footprints consume two to three times more sweets and alcohol than those with low footprints Study by experts in Sheffield and Kyoto, Japan, found meat consumption explained less than 10 per cent of difference in carbon…
Research shows increased sediment flux in the Yangtze river headwater
Sediment flux (SF) in the Tuotuo River on the central Tibetan Plateau (TP), considered the main headwater of the Yangtze River, has significantly increased over the past three decades, according to new research by scientists from the Institute of Tibetan…
Flood alert: Researchers devise powerful new flood monitoring system for Japan
Tokyo – Flooding accounts for a third of the average annual economic losses caused by natural disasters worldwide. Flood damage resulting from typhoons and torrential rainfall is increasing each year; thus, flood prediction is a valuable strategy for disaster reduction.…
Research finds positive community action can help coral reef health
Research reveals lessons from the Pacific about balancing community and environmental needs
Research finds positive community action can help coral reef health
Research reveals lessons from the Pacific about balancing community and environmental needs
Global urban growth typified by suburbs, not skyscrapers
Analysis of 478 cities finds that much urban expansion is horizontal — and unsustainable
Global urban growth typified by suburbs, not skyscrapers
Analysis of 478 cities finds that much urban expansion is horizontal — and unsustainable
In ancient Scottish tree rings, a cautionary tale on climate, politics and survival
A 1600s famine with echoes in the age of Brexit
In ancient Scottish tree rings, a cautionary tale on climate, politics and survival
A 1600s famine with echoes in the age of Brexit
NSF grant aims to improve research into factors impacting geographic education
Michael Solem, professor in the Department of Geography at Texas State University, has received a $300,000 grant from the National Science Foundation to identify factors that may impact K-12 geography education
Uranium chemistry and geological disposal of radioactive waste
New insights using the diamond light
Uranium chemistry and geological disposal of radioactive waste
New insights using the diamond light
How do silt and sand differ when going with the flow?
Rice-led scientists show grain size, not speed of water, sets silt and sand transport
Limiting the loss of nature
With only about half of Earth’s terrestrial surface remaining as natural vegetation, a University of Queensland-led team has proposed an international goal to halt its continued loss. The team, led by Professor Martine Maron, examined how a global goal of…
How do silt and sand differ when going with the flow?
Rice-led scientists show grain size, not speed of water, sets silt and sand transport
Limiting the loss of nature
With only about half of Earth’s terrestrial surface remaining as natural vegetation, a University of Queensland-led team has proposed an international goal to halt its continued loss. The team, led by Professor Martine Maron, examined how a global goal of…
Unearthing the mystery of the meaning of Easter Island’s Moai
Rapanui people likely believed the ancient monoliths helped food grow on the Polynesian island, study reveals
Unearthing the mystery of the meaning of Easter Island’s Moai
Rapanui people likely believed the ancient monoliths helped food grow on the Polynesian island, study reveals
Estimates of ecosystem carbon mitigation improved towards the goal of the Paris agreement
Approximately 30 percent of CO2 emitted to the atmosphere by human activities, mainly the use of fossil fuels and deforestation, is taken up by terrestrial ecosystems such as forests and grasslands. The recent reports from the IPCC concluded that new…
Estimates of ecosystem carbon mitigation improved towards the goal of the Paris agreement
Approximately 30 percent of CO2 emitted to the atmosphere by human activities, mainly the use of fossil fuels and deforestation, is taken up by terrestrial ecosystems such as forests and grasslands. The recent reports from the IPCC concluded that new…
No ‘clouded’ judgments: Geostationary satellite an alternative to monitor land surfaces
Researchers explain how a new meteorological satellite can be an option to monitor land surfaces and climate change
Newly identified jet-stream pattern could imperil global food supplies, says study
Warming climate expected to worsen simultaneous heat waves over widespread regions
The Antarctic: study from Kiel provides data about the structure of the icy continent
European Space Agency publishes a 3D model of the Antarctic
Newly identified jet-stream pattern could imperil global food supplies, says study
Warming climate expected to worsen simultaneous heat waves over widespread regions
The Antarctic: study from Kiel provides data about the structure of the icy continent
European Space Agency publishes a 3D model of the Antarctic
Move over Jules Verne — scientists deploy ocean floats to peer into Earth’s interior
An array of floating seismometers in the Pacific Ocean offer the most comprehensive view of Earth’s interior
Researchers: Put a brake on bioenergy by 2050 to avoid negative climate impacts
Los Altos, California (5 DECEMBER 2019)–The burgeoning bioenergy sector must peak and decline in the next 30 years to alleviate extreme pressure on land, warns researchers in a new analysis published today in Global Change Biology . They assert that…
Researchers: Put a brake on bioenergy by 2050 to avoid negative climate impacts
Los Altos, California (5 DECEMBER 2019)–The burgeoning bioenergy sector must peak and decline in the next 30 years to alleviate extreme pressure on land, warns researchers in a new analysis published today in Global Change Biology . They assert that…
McGill-led research unravels mystery of how early animals survived ice age
New findings further our understanding of extreme climate change and evolution
McGill-led research unravels mystery of how early animals survived ice age
New findings further our understanding of extreme climate change and evolution
Global levels of biodiversity could be lower than we think, new study warns
Biodiversity across the globe could be in a worse state than previously thought as current biodiversity assessments fail to take into account the long-lasting impact of abrupt land changes, a new study has warned. The study by PhD graduate Dr…
Global levels of biodiversity could be lower than we think, new study warns
Biodiversity across the globe could be in a worse state than previously thought as current biodiversity assessments fail to take into account the long-lasting impact of abrupt land changes, a new study has warned. The study by PhD graduate Dr…
Science around the planet uses images of earth from the space station
Images taken from the space station are used in a wide variety of scientific research
UTA civil engineer studying threats to industry, environment posed by severe flooding
Investigating economic, environmental impacts of natural disasters
Human migration out of Africa may have followed monsoons in the Middle East
MADISON, Wis. — Last year, scientists announced that a human jawbone and prehistoric tools found in 2002 in Misliya Cave, on the western edge of Israel, were between 177,000 and 194,000 years old. The finding suggested that modern humans, who…
UTA civil engineer studying threats to industry, environment posed by severe flooding
Investigating economic, environmental impacts of natural disasters
Human migration out of Africa may have followed monsoons in the Middle East
MADISON, Wis. — Last year, scientists announced that a human jawbone and prehistoric tools found in 2002 in Misliya Cave, on the western edge of Israel, were between 177,000 and 194,000 years old. The finding suggested that modern humans, who…
Changes in oxygen concentrations in our ocean can disrupt fundamental biological cycles
New research led by scientists at the University of Bristol has shown that the feedback mechanisms that were thought to keep the marine nitrogen cycle relatively stable over geological time can break down when oxygen levels in the ocean decline…
Changes in oxygen concentrations in our ocean can disrupt fundamental biological cycles
New research led by scientists at the University of Bristol has shown that the feedback mechanisms that were thought to keep the marine nitrogen cycle relatively stable over geological time can break down when oxygen levels in the ocean decline…