Black Swan White Mountain

Everyone knows that tree rings mark annual variations in tree growth. Biomass production is influenced by climatic variability  (precipitation,temperature, sunlight) or disease, pests, fire etc. Tree rings can be measured very accurately and used to…

Climate Variability – Weather Stations

Surface weather stations are an important source of climatic information. They provide standardised daily instrumental time-series with records going back decades or even centuries in some cases. This post shows how to retrieve station data…