New Piece Of Climate Change Puzzle Found In Ancient Sedimentary Rocks Jul 29, 2008
In a study published in the July issue of Global Biogeochemical Cycles, Petsch and Schillawski focused on black shales from Kentucky. Black shales are rich in a type of organic matter called kerogen that contains carbon. (Science Daily)
What makes life go at the tropics? May 28, 2008
Bacteria also comprise most of the diversity on earth, control vital biogeochemical cycles, and form an integral part of the food chain. I study them because, even though theyre invisible, theyre incredibly important, Fuhrman said. (EurekAlert!)
Excessive Reactive Nitrogen in Environment Alarms Environmental Scientists May 20, 2008
ScienceDaily (May 18, 2008) While human-caused global climate change has long been a concern for environmental scientists and is a well-known public policy issue, the problem of excessive reactive nitrogen in the environment is little-known beyond a growing circle of environmental scientists who study how the element cycles through the environment and negatively alters local and global ecosystems and potentially harms human health. Two new papers by leading environmental scientists bring the... (Science Daily)
Ponds Found To Take Up Carbon Like World's Oceans May 9, 2008
Downing's research team published its most recent findings in the Feb. 15 issue of the journal Global Biogeochemical Cycles in a paper titled, "Sediment organic carbon burial in agriculturally eutrophic impoundments over the last century." The team included members from Europe, the United States and Canada. The work was sponsored by the National Center for Ecological Analysis and Synthesis and the Iowa Department of Natural Resources. (Science Daily)
Current Spike In Atmospheric Methane Mirrors Early Climate Change Events Apr 22, 2008
In addition, it specialized on the development of new analytical techniques to measure isotopes in greenhouse gases and the interpretation of changes in biogeochemical cycles in the past. Coordinated by the European Science Foundation (ESF), EPICA is funded by the participating countries and the European Union. (Science Daily)
Studies: CO2 output must cease altogether Mar 10, 2008
Schmittner, lead author of a Feb. 14 article in the journal Global Biogeochemical Cycles, said his modeling indicates that if global emissions continue on a "business as usual" path for the rest of the century, the Earth will warm by 7. 2 degrees Fahrenheit by 2100. (MSNBC -- Environment)
Cities Important In Climate Change Mar 5, 2008
" Urban Environmental Evolution As a researcher in Urban Ecology at the Japanese Center for International Studies in Ecology between1993 and 1998, Dr Bai planned, launched and managed an urban ecosystem restoration project in China, in cooperation with the Chinese Academy of Sciences. This project was the first demonstration site of urban forest restoration by native tree species in China. She also developed the concept of Urban Environmental Evolution to study the process and mechanism of urban... (Suite101.com)
Unexplored microbes hold incredible potential for science and industry Feb 16, 2008
They are the engines behind the global biogeochemical cycles that release oxygen and absorb greenhouse gases in the atmosphere. They recycle dead material into useful nutrients for new growth. (EurekAlert!)
Urban Ecology: Taking Measure Of The Coming Megacity's Impact Feb 14, 2008
" Urban challenges face communities worldwide, with solutions lagging behind. Grimm and her colleagues promote a global perspective of urban development. Their analyses capture some of the commonalities that will face future city planners and societies, viewing cities as both drivers of and responders to environmental change. The authors chart the socio-ecological challenges and changes ahead for all cities, but particularly those in rapidly developing regions, like China and India. These... (Science Daily)
From Molecules To The Milky Way: Dealing With The Data Deluge Nov 9, 2007
After a workshop in September, specific research areas have been identified and projects are progressing in advanced manufacturing, high throughput image analysis, modelling ocean biogeochemical cycles, situation analysis and environmental modelling. Adapted from materials provided by. (Science Daily)
Surviving Pioneer Lemurs Celebrate A Decade In The Rain Forest Nov 9, 2007
8, 2007) Sarph lives. He's nearly 15 years old, and he knows where the predators lurk, where to find food, and how to make a baby with his wild-born mate. (Science Daily)
Volcanic Eruptions And Global Warming Likely Cause Of Great Dying 250 Million Years Ago Oct 26, 2007
Fleets of robotic sensors, networking through thin cables, can track environmental changes such as biogeochemical cycles or loss of biodiversity. . (Science Daily)
Claiming Antarctica: Oil, Water And Environmental Risks Oct 19, 2007
18, 2007) Australia and other owners of the Antarctic territories may be ill-prepared to face a major environmental challenge to the continent, according to a Queensland University of Technology academic. QUT media and communication lecturer Dr Christy Collis said that, with its massive resources of fresh water and unknown quantities of oil, Antarctica could be ripe for exploitation once resources in the rest of the world became scarcer. (Science Daily)
Oxygen Probably Present 50 To 100 Million Years Earlier Than First Believed Sep 28, 2007
""These results are the culmination of a successful effort to recover suitable rock material, and to test hypotheses regarding the evolution of biogeochemical cycles in early Earth, which is largely unknown," says Enriqueta Barrera, program director in the National Science Foundation (NSF)'s Division of Earth Sciences, which funded the research.Their findings appear in a pair of papers in the Sept. 28 issue of the scientific journal Science.The findings from the Anbar-led team are reported in "A... (Science Daily)
MIT's ocean model precisely mimics microbes' life cycles Mar 30, 2007
The Darwin Project is a new cross-disciplinary research project at MIT connecting systems biology, microbial ecology, global biogeochemical cycles and climate. "The guiding principle of our model is that its ecosystems are allowed to self-organize as in the natural world," said Follows, a principal research scientist in MIT's Department of Earth, Atmospheric and Planetary Sciences (EAPS), lead author on the paper and creator of the model. (EurekAlert!)
AGU Journal Highlights -- February 23, 2007 Feb 24, 2007
Because continental margins are among the most productive ecosystems on Earth, the authors say that further quantification of the SLB system in the New York Bight and in other areas may help predict changes in global biogeochemical cycles. Title: Spatial and temporal variability of diurnal wind forcing in the coastal ocean. (EurekAlert!)
Letters to the Editor for Feb. 16 Feb 19, 2007
The biogeochemical cycles governing the release of greenhouse gases from reservoirs are complex, and on-going research continues to elucidate the mechanisms involved in reservoir greenhouse gas emissions. James Norman. (Daily Triplicate)
Read More... Feb 12, 2007
Welcome to the Anthropocene- the first time in the geologic history of life on our planet in which a species has single-handedly created a mass extinction of life and upset a host of Earths biogeochemical cycles. Global change encompasses a vast amount of anthropogenic (human-driven) changes to our biosphere, each of which having myriad effects and consequences for human populations, biodiversity, and the global flux of chemicals and nutrients. (Disinformation)
Climate Change Only One Symptom Of A Stressed Planet Earth Feb 5, 2007
"An Earth system perspective is crucial to understanding global environmental change since global biogeochemical cycles and the physical climate are strongly coupled. Predicting the evolution of this interactive system under global perturbations by human activities is key for the sustainability of Planet Earth" said IGBP Chair Carlos Nobre of the Centro de Previs;o de Tempo e Estudos Clim;ticos and the Instituto Nacional de Pesquisas Espaciais in Brazil ... Guy Brasseur, IPCC WGI Chapter 7... (Science Daily)
Evidence For Human-caused Global Warming Is Now 'Unequivocal' Feb 3, 2007
Key remaining uncertainties involve the roles played by clouds, the cryosphere (glaciers and ice caps), oceans, deforestation and other land-use change, and the linking of climate and biogeochemical cycles. The IPCC does not conduct new research. (Science Daily)
Fires Fuel Mercury Emissions, University Of Michigan Study Finds Jan 11, 2007
The study, which has implications for forest management and global mercury pollution, was published online Jan. 9 in the journal Global Biogeochemical Cycles. Doctoral student Abir Biswas, the paper's lead author, came up with the idea for the project when he was a student at U-M's Camp Davis Rocky Mountain Field Station near Jackson Hole, Wyoming. (Science Daily)
Satellite Observation Tracks Avian Flu Nov 21, 2006
The Institute as a whole and the center in particular have focused more on remote sensing in the areas of the carbon cycle, the water cycle, biogeochemical cycles and climate change, and this is really the first time we ve gotten into human and animal health. Of this new direction EOS director Berrien Moore says, We are very proud of Xiangming Xiao and his colleagues. (Science Daily)
Ocean Microbe Census Discovers Diverse World Of Rare Bacteria Sep 3, 2006
They are the oldest life forms, the primary catalysts of energy transformation, and fundamental to the biogeochemical cycles that shape our planetary atmosphere and environment. From an evolutionary perspective, they are of pivotal importance. (Science Daily)
Oceans-the surprising cradle of a lot more life than expected Aug 3, 2006
"Microbes constitute the vast majority of marine biomass and are the primary engines of the Earth's biosphere. They are the oldest life forms, the primary catalysts of energy transformation, and fundamental to the biogeochemical cycles that shape our planetary atmosphere and environment," Dr Sogin said. Scientists took seawater samples from several sites around the world, including a hydrothermal vent on an underwater volcano in the Pacific Ocean. (Playfuls.com)
Oceans teeming with 10 million kinds of microbe Aug 3, 2006
"Microbes constitute the vast majority of marine biomass and are the primary engines of the Earth's biosphere. They are the oldest life forms, the primary catalysts of energy transformation, and fundamental to the biogeochemical cycles that shape our planetary atmosphere and environment," Dr Sogin said. The latest research, published in the Proceedings of the National Academy of Sciences, was carried out by researchers working on the International Census of Marine Microbes, part of the Census of... (Independent)
Ocean gas role in global warming Jul 23, 2006
The findings are reported in the 20 July on-line version of Global Biogeochemical Cycles. Source: scenta. (Scenta.co.uk)
Study: Methane leaks could worsen warming Jul 22, 2006
The study was published Thursday in Global Biogeochemical Cycles, a climate science publication. advertisement. (MSNBC -- Environment)
Undersea Gas Could Speed Global Warming - Study Jul 21, 2006
The study was published Thursday in Global Biogeochemical Cycles, a climate science publication. The distribution of methane hydrates throughout the world is so vast that energy companies hope one day to tap the resource. (Planet Ark, United States)
Gas escaping from ocean floor may drive global warming Jul 20, 2006
The findings are reported in the July 20 on-line version of the scientific journal, Global Biogeochemical Cycles. Remarkable and unexpected support for this idea occurred when divers and scientists from UC Santa Barbara observed and videotaped a massive blowout of methane from the ocean floor. (EurekAlert!)
April GEOLOGY and GSA TODAY media highlights Mar 24, 2006
Coxall et al. conclude that long delays such as this in evolutionary recovery after mass extinctions are dependant on the time required to rebuild integrated ecosystems, which is in turn closely linked to reestablishment of marine biogeochemical cycles. Margin architecture reveals the transition to the modern Antarctic ice sheet ca. 3 Ma Michele Rebesco, Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Dip. (EurekAlert!)
Sequencing our seas Jan 27, 2006
Planktonic microbes, microscopic organisms that float freely in the oceans, help maintain environmental balance and drive the planet's biogeochemical cycles of carbon, nitrogen, oxygen and sulfur. "Plants and animals are twigs on the tree of life when compared to the diversity of microbes that surround us," said Matthew Kane, director of NSF's microbial observatories and microbial genome sequencing programs, which also supported the work. (EurekAlert!)
