The tan-colored waters around the river delta are full of sediment .
三角洲周围的棕褐色水体则是泥沙淤积的结果。
The light-colored rooftops of residences and other structures contrast sharply with green vegetation and brown , sediment laden floodwaters .
浅色的房顶和绿色植被、棕色土地形成强烈对比,洪水也呈现泥沙的颜色。
The channeling led to periodic flooding that deposited sediment over broad areas , building up rich soil .
有了河道,河水就会定期泛滥,卷带着泥沙形成肥沃的土壤。
River sediment is a major threat that could undo all the positive effects the dam is supposed to bring .
河流中泥沙的堆积将是一个由大坝修建所产生的,能抵消所有正面影响的巨大威胁。
During a recent excursion to this area , I was shocked to see the extent of new mountain roads contributing heavy loads of sediment to these rivers .
在最近前往该地区的游览过程中,让我感到震惊的是新修山路给这些江河带来了大量的泥沙。
The researchers also examined sediment samples from the sunken world and found traces of pollen and coal , suggesting land plants once resided there .
研究者们也检查了从沉没岛屿里采集的沉淀物样本发现了花粉和碳,表明岛屿上曾经有过植物生长。
In sediment traces and fossil records from one of earth 's most tumultuous periods , geologists have found a narrative linking mass extinctions with planetary biological and geological change .
Chief researcher claudia rubinstein and her team found five fossilised species in sediment samples collected from the sierras subandinas in the central andean basin of northwest argentina .
Indeed , a stream of pale brown sediment was snaking away from the volcano to the west on january 11 , suggesting that erosion was already underway .
事实上,1月11日一股淡棕色的沉淀物正从火山处随波浪向西流去,这表明,泥火山已经受到侵蚀。
However , I did find some really cool places where there had been soft sediment deformation , probably from the rocks landing in marshy areas next to the river .