沙海居士与沙漠考古古人慨叹沧海桑田的变化,往往带着些许赞赏的情绪,殊不知,这是多么可怕的事实——一旦发生在我们的生活中。有这样一些地方,原先生长着绿色的植被,后来却被流沙掩埋,变成了不毛之地。这个变化过程叫做沙漠化。以往的沙漠研究者认为,沙漠化是由于干旱、多风等自然条件造成的,尽管他们也发现一些人为影响的因素,但是无法计算出量化的概念。这时,一位考古学家不经意间一脚踏进沙漠,从事起一项跨学科的研究项目——沙漠考古,并提出一个重要论断:“沙漠化既是自然现象,又是社会现象,是人类活动作用于自 The changes of the Shahai settlers and the desert archaic ancestors lamented the changes in the world, often with some appreciative emotions, as everyone knows, what a terrible fact - once in our lives. There are some places, originally grew green vegetation, but later was quicksand buried, into a barren land. This process of change is called desertification. Past desert researchers believe that desertification is caused by natural conditions such as drought and windyness. Although they also found some human factors, they failed to calculate the concept of quantification. At this time, an archeologist inadvertently stepped into the desert to engage in an interdisciplinary research project, Desert Archeology, and put forward an important conclusion: "Desertification is both a natural phenomenon and a social phenomenon and a human activity Effect on self