How come Yamabuki encounters so much cold? I thought Japan had a relatively warm climate.

I thought so too until my research into the era revealed that the Earth was hit by a small asteroid a few years before Yamabuki sets out on musha shugyō, which roughly gets translated into English as knight errantry. Yamabuki encounters colder conditions that we usually associate with Japan, even in the north.

The asteroid that his Earth was not large enough to cause a mass extinction–obviously!–but it did set up a lot of particles in the atmosphere that created what according to my readings induced a “mini ice age” with lower than normal temperatures. Of course, in my books, the people attribute the colder condition to the foxes who are always out to cause trouble.

The fact this was the case led me to emphasize the colder climatic conditions throughout the series.

Global Cooling in the Time of Yamabuki Heian period, Japan, Samurai, woman samurai
Osaka Castle in Winter

In an era where we are concerned with global warming, calling attention to global cooling is a footnote that reminds us how precious our planet actually is.

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1 thought on “Global Cooling in the Time of Yamabuki”

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    Rob Burdsal, Sr.

    I hope you have learned to play – at least a little – Igo? There are tons of, “How to play Go” on the Internet, plus, “Beginner player Rooms” where more experienced players can help you on KGS and OGS, plus an abundance of information at Sensei.com and the American Go Association. It would be great fun if your characters could be engaged in a Go game hosted by the Emperor for example. They occurred annually and records of moves exist of most games played. For that matter move by move records exist for games played in the 1300s and forward. Meanwhile I am now riding with your female Summeri toward the capital city in book #3. PS: thank you so much for teaching us a bit of Japanese along the way! You are a tremendous author. I’m a retired attorney who has lived for 7-years in Japan, and my beautiful wife and I have 3-sons and 3-daughters plus 8-granddaughters and 8-grandsons. My Joy is full. If you write it I will most certainly purchase it! I am your devoted reader for life and haven’t ever read an author who takes readers into the mind of the main character like you do – I am very serious when I repeat, I will happily purchase anything you write and will happily offer my services as a beta reader should you desire to use me. Col Rob Burdsal (USAF, ret.) B.BA, J.D., L.LM (CPCM). 1st degree black belt, Shorin Ryu karate (actually my sense I and his father, the only living 8th degree black belt told me I was the first and for two years the only American allowed to train in a Shorin Ryu dojo (Okinawa.). I’m rather proud of that.

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