标签:salinity 相关文章
战争,干旱威胁伊拉克沼泽地 Drought that has stretched for two decades means less fresh water flowing into the marshes. As water levels fall, salinity goes up, leading to fish kills. The lack of fresh water has also pushed Marsh Arabs who o
War, Drought Threaten Iraq's Marshlands 战争、干旱威胁伊拉克沼泽地 Iraq's southern wetlands are in crisis. These areas are the spawning ground for Gulf fisheries, a resting place for migrating wildfowl, and the source of livelihood for f
天灾干旱与人祸战火交织演变为人道主义威胁 Drought that has stretched for two decades means less fresh water flowing into the marshes. 持续20年的干旱使得流入湿地的淡水不断减少。 As water levels fall, salinity goe
干旱与战火威胁伊拉克湿地 Iraq's southern wetlands are in crisis. These areas are the spawning ground for Gulf fisheries, a resting place for migrating wildfowl, and the source of livelihood for fishermen and herders who have called the ma
Widening the Suez Canal Ushers In Underwater Invaders 苏伊士运河对地中海水下物种的侵害 The Mediterranean Sea is home to some 17,000 native species. But it's also home to a growing number of non-native species: 756 at last count. 756 m
Just this, captain. In going toward the ocean's lower strata, we know that vegetable life disappears more quickly than animal life. 船长,人们所知道的情形是这样。人们知道,深入到海洋下的最底层,植物比动物更不容易
Experts Worry That Road Salt Harms US Waters Communities in the Northern parts of the United States have used salt to keep icy roads safe during winter for many years. But, some experts now say salt harms nearby fresh water supplies. Putting salt on
194. The rural life乡村生活 rumble-sanctuary The rural life is the life for me. I like living out in the wide-open spaces where you can smell the fresh air and see the beautiful grasslands. I like seeing lightning flash and hearing the rumble of
By Jessica Berman Washington 29 May 2008 As the newly deployed Phoenix spacecraft begins its mission in search of life near Mars' northern pole, scientists say an analysis of Martian deposits suggest there was once water on the planet, but it was too
Ocean Levels Rising Fast on US Coasts Ocean levels are rising faster and higher on both coasts of the United States than in other parts of the globe, according to two new studies, and California could be especially hard hit. There will be about one m
By Jessica Berman Washington 19 November 2009 A new study has found that oceans are struggling to help regulate climate as more carbon dioxide, a leading greenhouse gas, is pumped into the atmosphere. The ocean absorbs more than one-quarter of all o
Will There be Enough Water for Everyone? As the global population grows, so does the need for water. The Worldwatch Institute says increased demands for food, energy and industry, along with climate change, could lead to water scarcity in some places
Dutch Experiment Shows Farming With Salty Water Possible 荷兰实验表明盐水种植农作物成为可能 One of the many adverse effects of global climate change is the rise of sea levels, which scientists say can increase the salinity level of f
LULU GARCIA-NAVARRO, HOST: The effects of climate change move slowly, but they are broad. WEEKEND EDITION is taking a look at these effects around the world. NPR's Jane Araff went to the ancient city of Alexandria in northern Egypt, where rising sea
SCOTT SIMON, HOST: Farming is a big part of the economy on the Eastern Shore of Maryland. But the land there is sinking, and as the climate warms, sea levels are rising. NPR's Jennifer Ludden spoke with farmers determined to hold on. JENNIFER LUDDEN,
By Paul Sisco Washington 05 September 2007 The Woods Hole Oceanographic Institution is entering an exciting new era of ocean research. A massive grant from the National Science Foundation is expected to change the way ocean science is done, and grea
Australian scientists are getting help from elephant seals to build a greater understanding of climate change. The marine mammals carry sensors that transmit data about ocean currents and sea ice. From Sydney, Phil Mercer reports. Elephant seals Sci
You're right, professor, he told me after a few moments of silence. This is a separate world. 您说得对,教授,他静默一刻后对我说,它是另一个世界,它跟陆地不相干, It's as alien to the earth as the planets accompanyin
The world's wetlands, threatened by development, dehydration and climate change, could release a planet-warming carbon bomb if they are destroyed, ecological scientists said. Wetlands contain 771 billion tons of greenhouse gases, one-fifth of all the
Pre-Listening Vocabulary surrounded: enclosed; to have something on all sides outlet: a means for going out or escaping evaporate: to change from liquid into vapour effortlessly: without trying hard ingest: drink or eat spa: health treatment using mi