Category: Upper Mole

• Are the finger prints of Climate Change over the fish die-off in the Upper Mole?

  

  A significant and very saddening fish die-off occurred on Sunday 11 June – Monday 12 June 2023 in the Upper River Mole between Charlwood and Horley along the realigned channel below the confluence of Man’s Brook. This post outlines the nature of the location, details of the event itself and explores some possible causes.

  sirgeogy

  June 16, 2023

  Analysis, Gatwick airport, pollution, River Mole, Upper Mole

  fish death, fish die-off, pollution, River Mole

• Storms last week show how events in the Upper Mole control discharge through the whole drainage basin

  

  Unsettled weather last week featured a good deal of showery convective storms over different parts of the Mole catchment each day. How these rainfall events contributed to discharge downstream highlights many of the unusual characteristics of the Mole catchment and how it deals with inputs of precipitation. Here’s a diagram to remind us of some…

  sirgeogy

  May 15, 2023

  Analysis, Floods, lag time, River Mole, storm, Upper Mole

• Making Mole hills out of Mountains: the formation of the Mole and the Weald

  

  Part 1: The Palaeozoic Floor This is the epic story of how the landscape of the River Mole catchment has been formed. Geographically we are dealing with the Downs, the Weald, the Mole Gap and the London Basin to the confluence with the River Thames. It is an immense topic spanning 400 million years of…

  sirgeogy

  January 31, 2023

  Analysis, geology, Upper Mole

  formation of the weald, geology, iceage, Mesozoic, Palaeozoic, Pleistocene