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NOAA: Spring is arriving earlier in national parks

NOAA’s latest climate blog features a post from Kathryn Hansen of NASA on recent trends in the onset of spring as measured by ecologists at national parks across the US. They tabulated the time of blooms and first leaf of key species like cherries and looked the trends in those times to determine the onset of spring. What they found was that spring was coming earlier to a variety of places across the US as measured by those phenological tracers. You can read more about the study at