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Coastal sediment management practices, such as dredging and beach nourishment, can have beneficial and detrimental impacts on the physical and ecological resiliency of barrier islands, particularly when sediment is removed from one barrier island system and placed in another, according to a report released today. ....
Alerts Houses are surrounded by flood waters after Hurricane Delta passed through the area on Oct. 10, 2020 near Lake Charles, Louisiana. Photo: Chandan Khanna (Getty Images) There’s no question that flooding is becomingworse due to the climate crisis pushing up our sea levels and making heavy downpours more common. But the risk doesn’t affect us all equally. A report released by the real estate brokerage firm Redfin this week shows that formerly redlined areas are more vulnerable to the threat of floods. Advertisement Redlining was a discriminatory lending practice in the 1930s, wherein house appraisers mapped cities for the federal Homeowners’ Loan Corporation with different colored lines to indicate how desirable areas were to live in. Neighborhoods deemed “best” or “still desirable” were marked with green and blue lines, respectively. Those considered “definitely declining” were marked in yellow, and zones declared “hazardous” overwh ....
Humans Have Completely Transformed How Water Is Stored on Earth Alerts A bathtub ring of light minerals shows the high water mark of the reservoir which has shrunk to its lowest point on the Colorado River, as seen from the Hoover Dam. Photo: Richard Vogel (AP) Human fingerprints are all over the world’s freshwater. A new study published Wednesday in the journal Nature shows that while human-controlled freshwater sources make up a minimal portion of the world’s ponds, lakes, and rivers, they are responsible more than half of all changes to the Earth’s water system. Advertisement The study used new satellite laser technology to take a closer look at freshwater sources across the world and monitor their water levels through different seasons. Using NASA’s ICESat-2 satellite, researchers monitored more than 227,000 bodies of freshwater–ranging in size from the Great Lakes to tiny ponds over period spanning roughly a year and a half. Researchers found ....
Recent storms bolstered the state s snowpack after a largely dry January and slightly alleviated the drought, but the long-term forecast for the spring shows a return to dry conditions, the ....
A drainage channel next to Doherty High School before the city improved it in 2019. Pam Zubeck Colorado Springs officials want to continue their aggressive campaign to overhaul the cityâs drainage system, and that will take more money. A lot more. On Feb. 8, two options were outlined for raising existing stormwater fees to fund millions of dollars in projects, largely due to the cityâs settlement of an Environmental Protection Agency lawsuit. That consent decree calls for the city to spend $45 million in the next 15 years to stem flows and reduce pollution of waterways from runoff. While the city looks to raise stormwater rates by up to 70 percent in the next three years to generate that cash, though, itâs also recrafting development and zoning rules to increase âlot coverageâ in new subdivisions. That means bigger homes with greater impervious surfaces that yield more runoff. ....