I'll be presenting on the #GreenlandDarkRiver 🇬🇱 a possible 1000 km long river under the ice sheet, at #AGU19 in San Francisco, Monday afternoon at poster C13C-1320. Please come and say hi, also to chat about #HECTIME #TARTIME 📷etc., #YouStormOutlooks and Hawaii's Big Island effect on hurricanes🌀 or Sapporo's snow plumes☃️.