LIA Megadroughts In India

By Paul Homewood

I regularly get sent scientific papers relevant to my interests sent to me by the Academia website. Many like this one are a few years old, but also highly relevant:




It is already known that Indian monsoons weakened during the global cooling of the 1960s and 70s, and now this study has established that the same thing seems to have taken place during the Little Ice Age.

When the climate gets colder in extratropical latitudes, the ITCZ gets squeezed nearer the equator, something which HH Lamb has frequently commented on. And the graph below shows not only the megadroughts linked to the LIA, but also the much wetter climate during the MWP:



Fig. 8. Stacked time series of proxy records of temperature from the extratropical latitudes in the Northern Hemisphere (color coded). The records from top to bottom are temporal
duration of Swiss glacial advances (Holzhauser et al., 2005), biomarker based sea ice reconstruction (Massé et al., 2008), Icelandic shelf SST (Sicre et al., 2008) and a composite SST
estimate from the Atlantic region (Mann et al., 2009). Vertical gray bars represent temporal duration of MMDs as delineated in Fig. 5 (for interpretation of the references to colour in
this figure legend, the reader is referred to the web version of this article).

Climate idiots now believe that building solar farms will somehow put and end to droughts in India, but as the paper notes the real world prospects are much scarier:



The prospect of a repeat of those LIA megadroughts is truly terrifying.


January 18, 2023 at 03:51AM

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