The Death Valley expedition 1891, with Descriptions of New Species"". The Death Valley expedition The Death Valley expedition was an 1891 expedition to discover the geographic distributions of plants (phytogeography) and animals in California's Death Valley. It was the first of a series of expeditions funded by an 1890 act of the United States Congress. The expedition included biologists, naturalists, botanists, and zoologists. They produced valuable reports of historic significance in several fields, including ""Botany of the Death Valley Expedition"", "“The Death Valley Expedition: A Biological Survey of Parts of California, Nevada, Arizona, and Utah”", and ""Annotated List of the Reptiles and Batrachians Collected
Death Valley then radiated upward, but the dense below-sea-level air absorbs some of this radiation and radiates some of it back towards the ground. In addition, the high valley walls trap rising hot air and recycle it back down to the valley floor, where it is heated by compression. This process is especially important in Death Valley, as it provides its specific climate and geography. The valley is surrounded by mountains, while its surface is mostly flat and devoid of plants, so much of the sun's heat can reach the ground, absorbed by soil and rock. When air at ground level is