In describing the errors in the Fourth National Climate Assessment, ‘NCA4’, I’ll use the words from the Executive Summary which purport to link climate changes in the USA to global climate change.
The first claim, “The last few years have also seen record-breaking, climate-related weather extremes,“ is shown to be false, simply by examining climate records, some from the National Climate Data Center.
and the future of water storage for the lower Rio Grande Valley of New Mexico.
By Robert W. Endlich
Laura Paskus’ 3-part series on the current drought, its effects on farmers and residents, and the coming US Supreme Court decision, starts with a question, ”Elephant Butte is at 3 percent capacity; what happens next?” Let me introduce measurements, missing from Paskus’ series: Elephant Butte Lake levels, temperature, rainfall, and climate patterns. My analysis: nothing in the current meteorological/climatological situation is worse than the past century. History and study show that either water availability must increase, or water costs will increase.
[Dr Gutzler conducted the 1 March 2018 “Lush and Lean” water conservation workshop in Las Cruces in the Roadrunner Room of the Branigan Library from 5:30 PM – 7:30 PM: About an hour-long lecture of 21 Slides, followed by questions and answers. The nominal topic was, “Learn about projecting future water supplies in a rapidly changing climate.” I prepared this memo the next day, 2 March 2018 and have edited it a bit in the time since. I provide it in this post as a small part of the overall climate debate.]
Overall Gutzler did only a fair job explaining the development of the present La Nina and the present and impending drought conditions; I rate it as ‘only fair’ because he did not mention either the 2016 El Nino or features of El Nino-Southern Oscillation, he mentioned the Pacific Decadal Oscillation but did not explain it, or it’s 60-year periodicity.
Dr. Gutzler devoted perhaps only 5 minutes to the “increasing greenhouse gasses are causing anthropogenic climate change,” but this point was the last one in the three points he emphasized in his concluding slide.