Late-eighteenth-century precipitation reconstructions from James Madison's Montpelier plantation

摘要: Abstract This study presents two independent reconstructions of precipitation from James Madison's Montpelier plantation at the end eighteenth century. The first is transcribed directly meteorological diaries recorded by Madison family for 17 years and reflects scientific interests Thomas Jefferson. In his most active period as a scientist, assisted Jefferson observing climate fauna in Virginia to counter contemporary view that humid, cold New World decreased size number its species. second reconstruction generated using tree rings forest connects era modern instrumental record. These trees provide significant both early summer prior fall precipitation. Comparison dendroclimatic diary suggests delay seasonality mid-twentieth...