Drop By Drop The River Rises

Drop By Drop The River Rises

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Why does Lake Roosevelt fluctuate?Lake Roosevelt is a working reservoir. It is the main storage reservoir on the Columbia River for the United States. The reservoir is lowered in the spring, to make room for the spring runoff. This prevents flooding on the lower Columbia River. The water that enters Lake Roosevelt during the spring is stored in the lake and is used later in the year for power generation and to enhance river flows downstream for endangered species of fish when flows on the Columbia River drop later in the summer and fall.

The FCRPS Biological Opinion has Lake Roosevelt at the full pool elevation at or around June 30. This is in order to ensure water is stored for power generation and lower Columbia River flow targets later in the year when the river flow into Lake Roosevelt decreases. In addition, because power demand is extremely low during the holiday, the result is that the lake rises as water is not being run through the generators. Between the FCRPS Biological Opinion which has the elevation coming to full and low power demand, the water level tends to rise over the Fourth of July.

The researchers predict that if greenhouse gas emissions continue at their current pace, the river could see a 19 to 31 percent drop in water flow by the middle of the 21st century. If emissions are curbed, that figure falls to a 14 to 26 percent loss of flow. For the 40 million people who rely on the Colorado River for water, that would mean severe water shortages, the study suggests.

Windblown dust has increased in the U.S. Southwest as a result of changing climate patterns and human land-use decisions. Less rain and more land disturbances remove protective soil crusts, exposing more bare soil. Winter and spring winds pick up the dusty soil and drop it on the Colorado Rockies to the northeast. Historical lake sediment analyses show that on average today, five to seven times more dust falls on the Rocky Mountain snowpack than before the mid-1800s.

Harm Reduction Services. Our Harm Reduction staff are working hard to help minimize unintentional overdoses and continue to provide syringe services and Narcan to our community in person at our office, via home or program doorstep drop off, and via online request ( ). Harm Reduction staff are providing substance use prevention and harm reduction counseling sessions for enrolled clients by phone and via video chat. Transportation assistance is available for in-person visits. If you are in need of tools to support overdose prevention and harm reduction practices during the outbreak, please call 508-935-2960.

Program RISE has a safe used needle drop-off collection bin and also has free harm reduction items, such as; clean needles, tourniquets, bleach & water bottles, and other items that can reduce harm to themselves and others.

The federal Bureau of Reclamation also conducted an emergency release of water from reservoirs in Wyoming and Colorado, in order to boost water levels in Lake Powell. In both Lake Powell and Lake Mead, low water levels were putting hydropower infrastructure at risk and threatening to cut off drinking water supplies for Page, Arizona, and chapters of the Navajo Nation.

Forecasters from the NWS said the Tittabawassee River is expected to fluctuate to around 35 feet before beginning to drop at around midnight. They previously predicted the river could crest at 38 feet.

Atmospheric rivers usually begin over tropical regions. Warm temperatures there cause ocean water to evaporate and rise into the atmosphere. Strong winds help to carry the water vapor through the atmosphere. As atmospheric rivers move over land, the water vapor rises up farther into the atmosphere. It then cools into water droplets, which fall as precipitation.

The water management district has been monitoring the water level in Lake Washington to ensure it does not get low enough to cause concern for the utility, Ashley Evitt, spokeswoman for the district, wrote in an email. "If the water level drops, the district is able to open S-257 (levee), which will route water from Three Forks Marsh Conservation Area to Lake Washington. Work is currently underway to construct a permanent fix and should be completed within the next two weeks." 781b155fdc