The Amazon River basin boasts the largest river system on Earth and harbors an ecosystem that is tremendously complex. Early travelers from renaissance Europe were overwhelmed by their first encounters. In 1531, Francisco Pizarro overthrew the Incan empire, removing the emperor from his throne and ...
Gaillardet J, Dupre B, Allegre CJ, Negrel Ph (1997) Chemical and physical denudation in the Amazon river basin. Chem Geol 142:141-173Gaillardet, J., Dupre, B., Allegre, C. J., and Negrel, P.: Chemical and physical denudation in the Amazon River basin, Chem. Geol., 142, 141-...
th e Amazon River basin is th e largest in the world. It stretches (延伸) across mor e than ha merican countries (an d French Guiana). With a lan d ar e a of 2.7 million squar e miles, the Amazon rainforest is almost two thirds th e si z e of th e US.Rainforests ar e imp...
1In South America, the rich soil of the Amazon River basin(流域)in Brazil is known as “black gold”. Scientists found that the secret of this rich soil was charcoal(木炭). Local people made it from animal bones and tree branches. They mixed the charcoal with the soil about 1.500 years...
“This number could roughly equal the annual carbon emissions of the United States when all dark earth across the Amazon is taken into consideration,” Perron says.(对新古地区的扫描表明,该地区散布着暗土,其中含有约900万吨碳——相当于一个小型工业化国家的年碳排放量。Perron说:“这个数字大致相当...
At ancient sites across the Amazon River basin, mysterious plots ◆usually rich soil dot (点缀) the landscape. Scientists have long debated the origin of this "dark earth", which is darker in color than surrounding soils and richer in carbon. Some people think this dark earth formed naturally...
In 2003, an estimated 9,170 square miles were burned or cleared.The Amazon River basin stretches into the countries of Ecuador, Peru, and Bolivia, but the bulk of it is in Brazil. Loggers, miners, and farmers in Brazil have been rapidly cutting down the Amazon since the 1960s. South ...
of the Amazon Basin rises to 350,000 square km. When the flood plains and the Amazon River Basin flood during the rainy season the Amazon River can be up to 40km/24.8 mi wide. Where the Amazon opens at its estuary the river is over 325km/202 mi wide!
'Amazon' (当指代河流时,可以简称为'Amazon') 解释:在某些上下文中,'Amazon'可以单独使用来指代亚马逊河,尤其是在上下文已经很清晰的情况下。 'The mighty Amazon' 解释:这个表达增加了形容词'mighty'(强大的),强调了亚马逊河的宏大和力量。 'The Amazon River basin' 解释:这...
described in the introduction, namely that the discharge from any river always has contributions from two mechanisms, (1) base flow and (2) event flow, we first estimate the storage-driven portion of the discharge for the rivers in the Amazon in order to calculate the basin or subbasin ...