The 10,000 years of the Holocene epoch covers most of this period, since the end of the Northern Hemisphere's Younger Dryas millennium-long cooling. The Holocene Climatic Optimum was generally warmer than the 20th century, but numerous regional variations have been noted since the start of the Younger … See more The global temperature record shows the fluctuations of the temperature of the atmosphere and the oceans through various spans of time. There are numerous estimates of temperatures since the end of the See more Even longer term records exist for few sites: the recent Antarctic EPICA core reaches 800 kyr; many others reach more than 100,000 … See more Proxy measurements can be used to reconstruct the temperature record before the historical period. Quantities such as tree ring widths, coral growth, isotope variations in ice cores, ocean and lake sediments, cave deposits, fossils, ice cores, borehole temperatures, … See more On longer time scales, sediment cores show that the cycles of glacials and interglacials are part of a deepening phase within a prolonged ice age that began with the glaciation of Antarctica approximately 40 million years ago. This deepening phase, and the … See more Many estimates of past temperatures have been made over Earth's history. The field of paleoclimatology includes ancient temperature … See more Weather balloon radiosonde measurements of atmospheric temperature at various altitudes begin to show an approximation of global coverage in the 1950s. Since December 1978, See more • Climate change portal • Environment portal • Ecology portal • World portal See more
Climate change - Climate change since the advent of humans
WebSep 2, 2014 · During the early phase of the Holocene (10.000 – 6.000 years ago) the climate in the Iberian Peninsula was rather more humid than it currently is, according to … WebJan 26, 2024 · There’s a lot of debate about both temperatures and CO2 levels from millions of years ago. But the evidence is much firmer for the last 800,000 years, when ice cores show that CO2 concentrations stayed tight between 180 and 290 ppm, hovering at around 280 ppm for some 10,000 years before the industrial revolution hit. russell stover chocolate covered peanuts
Global temperature changes mapped across the past 24,000 years
WebJul 21, 2015 · Published July 21, 2015. On Monday, NASA released a photo of the entire sunlit side of Earth —the first since the original Blue Marble photo in 1972. NASA has … WebApr 4, 2012 · The relatively pleasant global climate of the past 10,000 years is largely thanks to higher levels of atmospheric carbon dioxide. Roughly 20,000 years ago the … WebMar 25, 2024 · Scientists have been building estimates of Earth’s average global temperature for more than a century, using temperature records from weather stations. … sched.mem.min should be equal to memsize