| We have reliable measurements of Arctic snow cover that date back to the late 1960s when satellite observations of the Earth's surface began. The earliest satellite used for snow cover monitoring was the Television Infrared Observation Satellite (TIROS) series, which was launched by the United States in 1960. In the early 1970s, the National Oceanic and Atmospheric Administration (NOAA) launched the Advanced Very High Resolution Radiometer (AVHRR) sensor, which provided more detailed and accurate measurements of snow cover extent and duration in the Arctic. The extent of Arctic snow cover has varied considerably from year to year, but in general, there has been a decreasing trend in snow cover extent and duration since the late 1960s. According to data from the National Snow and Ice Data Center (NSIDC), the Arctic snow cover extent has decreased at a rate of approximately 4% per decade since the late 1960s. In recent years, there have been some variations in snow cover extent, with some years showing slightly more snow cover than others. However, the overall trend has been towards less snow cover and a shorter snow cover season. The decrease in Arctic snow cover is thought to be due to a combination of factors, including rising temperatures, changes in precipitation patterns, and changes in the Arctic's sea ice cover. The loss of snow cover has significant impacts on the Arctic ecosystem and can contribute to further warming and changes in the region. [0] ChatGPT The glaciers all around the world are melting. Polar bears are drowning. While world is 1-1.5C warmer, in polar areas it's 5C and more. There were many papers claiming that smoking doesn't cause any harm. 97% of scientists agree that climate change/crisis is human made and bad. The scientific consensus is what matters. |