Sampling at Dos Palmas Springs and Nature Preserve

Students and I went to the Dos Palmas Springs and Nature Preserve to sample water. The Springs are about 3 miles NE of the Salton Sea shore line. This day was very hot...in fact, I looked it up and this part of the Coachella Valley was the hottest place on earth this day (~113 oF). The springs have been observed to be dring up in recent years and becoming more saline. We want to figure out why...