10,000-Year-Old Clues Suggest Future Forest Changes
...he fires to a drier, warmer climate with prolonged droughts and possibly to an increase in the number of storms. A chance discovery on Castle Peak helped confirm what Mathewes discovered in his lab. A surveyor from the Geological Survey of Canada, encamped on CastlePeak, went to collect water for his tea in a...Scientists Find Further Global Warming Evidence In Temperature Reconstruction Study
...extremeweather events, Mann said. "Heat waves and droughts could become more common,and more intense." Climatologists are also concerned about the degrees of uncertaintysurrounding increased or accelerated global warming. "We have a sense of whatmight happen to the planet as a whole, but the fact is...Hurricane Floyd signal of a new weather era?
...1975-94 period, which saw two significantstatewide droughts in Oregon and 10 consecutive dry years, we are now completingthe fifth consecutive above average year for precipitation in the PacificNorthwest," he said. Taylor said it's still not certain what causes the "conveyor belt" tokick into gear. ...USGS studies wildfire ecology in the western United States
... in addition to the El Nio-La Nia cycles, periodic droughts and wet periods of much longer duration are also part of the normal climatic variability in the Southwest. A prolonged drought during the 1950s contributed to outbreaks of large, destructive fires at that time. However since then -- particularly over...Study indicates Indian Ocean monsoon similar to El Niño phenomenon in Pacific
...voc onthe environment through the proliferation of droughts and floods worldwide. A paper on the subject by Webster, Andrew Moore and Johannes Loschnigg fromCU-Boulder's PAOS and Robert Leben from CU-Boulder's aerospace engineeringdepartment was published in the Sept. 23 issue of Nature. In 1997 and 1998 the...Droughts worse than the 1930's likely in the 21st century
...ny times in East Africa, sometimes producing major droughts lasting hundreds of years. The study mirrors previous studies in North America, the caribbean and Europe and confirms not only that extreme variations in climate exist, but that these large-scale weather patterns may have occurred on a global scale (...Stanford study supports novel rainforest protection plan
...ccording to many climatologists, severe floods and droughts could cause billions of dollars in damage to crops and property worldwide. In 1996, global greenhouse gas emissions reached a new high of about 24 billion tons - nearly four times the 1950 level, according to a UNEP study. A year later in Kyoto, ...Cranfield looks at recycling attitudes
...d for the supply of fresh water. The clustering of droughts over the past 20 years and changes in the spatial patterns of water demand raise important questions concerning the resilience of existing water supply arrangements. Consequently, the potential for water recycling and reuse in the UK is considerable....Researchers study oldest oak east of the Mississippi
... the rings. The researchers' studies revealed that droughts cause a decrease in growth, characterized by a thi... 1950. Researchers identified which years reported droughts during the last 50 years and found the corresponding rings in the tree samples. They used these as a...Finding a market for 'ecosystem services'
...ing soil fertility, regulating climate, preventing droughts and floods, controlling pests and pollinating plants. Unfortunately, he noted, most people take these services for granted because they are free. "We explicitly value and place dollar figures on 'ecosystem goods' such as timber and fish," Salzman sa...In a hopeful sign, mercury levels decline in Everglades wading birds
...e predicted to rise in years immediately following droughts because of a phenomenon known as the reservoir effect. During dry years, submerged areas become exposed, drying out and releasing mercury stored in sediments. Upon reflooding, this mercury becomes available to the aquatic food web and, eventually, th...New views of tropical thunderstorms and pollution effects on rainfall presented at AGU meeting
... global weather and climate patterns which lead to droughts and floods. TRMM is a joint U.S.-Japanese mission and part of NASA's Earth Science Enterprise, a long-term research program designed to study the Earth's land, oceans, air, ice and life as a total system....Tallgrass prairies may provide early warning of climate change
...pects of climate change, such as global warming; droughts and changes in precipitation amounts, according to K-State biology professor Alan Knapp. His research, co-authored by Melinda Smith, a doctoral student in biology, is published in the Jan. 19 issue of Science Knapp and Smith compiled data from 11 lon...UCSD researchers decipher molecular "code" capable of controlling plant water loss during droughts
...team. "So if crops can be engineered to respond to droughts by more rapidly and effectively closing their stom... corn crop in the United States during three major droughts was 30 percent." In their study, the scientists discovered that specialized cells in the leaves cal...Scientists call for development of ecological forecasting
...ght and discharge gauges, the capacity to forecast droughts and floods was greater 30 years ago than it is today," the authors said. "Countries with the poorest hydrological networks (e.g. sub-Saharan Africa, arid regions of the former Soviet Union) have the most pressing water needs." Of the need for large-...Climate plays bigger role than CO2 in make-up of plant communities
...nities as other, localized climate shifts, such as droughts or temperature changes. Nobody really knows what the increases in carbon dioxide are going to entail in terms of future changes in vegetation types, said Mark Brenner, a UF assistant professor of geology and co-author of the paper, which appears in ...Counterintuitively, after extreme droughts, wading birds flourish
...r Management District, speculate it relates to how droughts affect the population dynamics of another water-de... Frederick said. Biologists had long believed that droughts benefit wading birds because as rivers and ponds dry up, small prey fish become concentrated and eas...Advance warning of storms and cyclones with new technique
... variability. "Extreme climate events such as the droughts and floods experienced recently in Indonesia are part of natural climate variability. Work like Dr Wheelers supports WCRPs effort to contribute to sustainable development by improving our ability to predict such events in the context of global climat...New research site established in Australia to help predict climate change
...s and weather regimes during extreme conditions of droughts and monsoons and the equally important transitional weather periods provides an important, new set of data for analysis and interpretation that has not yet been captured," said Dr. Thomas Ackerman, Chief Scientist for ARM. "And since this information......led resurrection plants that can survive prolonged droughts in the desert. Drought-stressed resurrection plants look like they are dead and gone forever; then they pop back to life when moisture is available," Garg says. "That's the power of trehalose in combating stress, and it gave us an idea to help import...