{"id":872,"date":"2016-01-18T15:54:54","date_gmt":"2016-01-18T15:54:54","guid":{"rendered":"http:\/\/raisetheriver.org\/?p=872"},"modified":"2016-01-18T15:58:38","modified_gmt":"2016-01-18T15:58:38","slug":"colorado-river-pulse-flow-update-by-eloise-kendy","status":"publish","type":"post","link":"https:\/\/raisetheriver.org\/colorado-river-pulse-flow-update-by-eloise-kendy\/","title":{"rendered":"Colorado River: Pulse Flow Update by Eloise Kendy"},"content":{"rendered":"
\"eloise-kendy-640x400-1\"<\/a><\/blockquote>\n

By <\/em>Eloise Kendy<\/em><\/a>, Freshwater Scientist for The Nature Conservancy<\/em><\/p>\n

Three years ago, an innovative agreement between the United States and Mexico ushered in a new era in international water management. Called Minute 319<\/a>, the agreement authorized a broad array of actions in both the United States and Mexico.\u00a0Among them was the recognition of the value of nature and the restoration of the parched Colorado River Delta through timed releases of water (called pulse and base flows) from upstream dams.<\/p>\n

Once an ecological treasure, the Delta is now a a dry, desolate river channel flanked by weed-choked floodplains and irrigated farmland.\u00a0Fifteen years ago, conservation visionaries resolved to restore the channel and its floodplains to the critical wildlife migration corridor that it once was.\u00a0Minute 319 initiated a full-scale feasibility test of that vision.<\/p>\n

By all accounts, Minute 319\u2019s environmental provisions have been a success.\u00a0In 2014, a pulse of water surged into the Colorado River Delta<\/a>, rewetting the river corridor all the way to the Gulf of California for the first time in decades.<\/p>\n

Residents of the Mexicali Valley flocked to the newly flowing river.\u00a0Surveys revealed overwhelmingly positive responses from the local people, many of whom saw water in their river for the first time in their lives.\u00a0The river flowed steadily for nearly two months.<\/p>\n

This year, when another small pulse flow was released, local farmers reacted differently than ever before.\u00a0Previously, they viewed any water in the river as wasted because it couldn\u2019t be used to irrigate crops.\u00a0This time, they welcomed the water as a sign of ecological rejuvenation in harmony, not in competition, with their livelihoods.\u00a0Some of the project\u2019s harshest critics have become supporters, having recognized that what is good for the river is also good for local communities<\/p>\n

In places where conditions are right, riparian restoration is exceeding expectations<\/a>.\u00a0Native willow and cottonwood trees that germinated during the 2014 pulse flow and subsequently received nourishing \u201cbase flows\u201d now exceed 2 meters in height.\u00a0The restoration areas, where tree canopies shade moist, cool soils teeming with new life, present a stark contrast with the hot, dusty desert that they replaced.\u00a0River birds such as Abert\u00b4s Towhee, ash-throated flycatcher, common yellowthroat, Gila woodpecker, yellow-breasted chat, and song sparrow returned, displacing the farm birds that had previously nudged them out.\u00a0It seems that with short-term care and long-term water, the Delta could indeed revive.<\/p>\n

Minute 319 launched a five-year experiment that ends in 2017.\u00a0However, prospects for a successor agreement are good.\u00a0Formal negotiations kicked off last May.\u00a0U.S. Department of Interior officials have expressed the desire to achieve a new agreement by the end of 2016.\u00a0U.S. and Mexican negotiators are committed to a strong environmental component, which means more fresh water for the Delta.<\/p>\n

The main negotiators have established working groups to guide them, which in turn are relying on the findings of the binational Minute 319 science team, which the University of Arizona, Sonoran Institute, and The Nature Conservancy co-lead. The team\u2019s monitoring program represents a substantial investment in learning how water moves through the built and natural systems that feed the Delta.\u00a0The lessons we have learned from Minute 319 are already informing plans to more effectively deliver water in the future.<\/p>\n

As a member of the science team and the Delta Water Trust, which acquired a share of the water for restoration, I feel optimistic about the negotiations. I can clearly see the pathway to a future in which a landscape-scale network of thriving conservation sites sustains native biodiversity and local people in the Colorado River Delta<\/a>.\u00a0As a member of the Environmental Working Group informing the negotiations, I look forward to applying the lessons from Minute 319 to an even better successor agreement that is strongly supported by both Mexico and the United States.<\/p>\n

This post was originally published on The Nature Conservancy’s Colorado River page<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

By Eloise Kendy, Freshwater Scientist for The Nature Conservancy Three years ago, an innovative agreement between the United States and Mexico ushered in a new era in international water management. Called Minute 319, the agreement authorized a broad array of actions in both the United States and Mexico.\u00a0Among them was the recognition of the value… Read more »<\/a><\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[16,93,9],"yoast_head":"\nColorado River: Pulse Flow Update by Eloise Kendy - Raise the River<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/raisetheriver.org\/colorado-river-pulse-flow-update-by-eloise-kendy\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Colorado River: Pulse Flow Update by Eloise Kendy - Raise the River\" \/>\n<meta property=\"og:description\" content=\"By Eloise Kendy, Freshwater Scientist for The Nature Conservancy Three years ago, an innovative agreement between the United States and Mexico ushered in a new era in international water management. 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