where does the salt come from in the great salt lake
Great Salt Lake Most of the salts dissolved in the lake and deposited in the desert flats around it reflect the concentration of solutes by evaporation; Lake Bonneville itself was fresh enough to support populations of fish.[31][32] More salt is added yearly via rivers and streams, though the amount is much less than the relict salt from Bonneville.[31]
Climate of Salt Lake City The city has four distinct seasons: a cold, snowy winter; a hot, dry summer; and two relatively wet transition periods. The climate of the Salt Lake City area is generally subhumid, not semi-arid as often claimed. Under the Köppen climate classification, Salt Lake City has a hot-summer humid continental climate (Dfa), with relatively drier summers than the rest of the year.[citation needed] The Pacific Ocean is the primary influence on the weather, contributing storms from about October to May, with spring being the wettest season. Snow falls frequently during the winter, contributed largely by the lake-effect from the Great Salt Lake. The only source of precipitation in the summer is monsoon moisture moving north from the Gulf of California. Summers are hot, frequently reaching above 100 °F (38 °C), while winters are cold and snowy. However, winters are warmer than one would expect at this elevation and latitude, due to the Rocky Mountains to the east and north that usually block powerful polar highs from affecting the state during the winter. Temperatures rarely fall below 0 °F (-18 °C), but frequently stay below freezing. Temperature inversions during winter can lead to thick overnight fog and daytime haze in the valley as cool air, moisture, and pollutants are trapped in the valley by surrounding mountains.