{"id":38257,"date":"2022-09-30T07:24:55","date_gmt":"2022-09-29T22:24:55","guid":{"rendered":"http:\/\/kochihen.replan.ne.jp\/?p=38257"},"modified":"2022-09-30T16:56:00","modified_gmt":"2022-09-30T07:56:00","slug":"%e3%80%90%e6%b0%97%e5%80%99%e6%9d%a1%e4%bb%b6%e3%81%af%e3%81%a9%e3%81%86%e6%8e%a8%e7%a7%bb%e3%81%97%e3%81%9f%ef%bc%9f-%e6%97%a5%e6%9c%ac%e5%88%97%e5%b3%b637000%e5%b9%b4%e5%8f%b2-1%e3%80%91","status":"publish","type":"post","link":"http:\/\/kochihen.replan.ne.jp\/?p=38257","title":{"rendered":"\u3010\u6c17\u5019\u6761\u4ef6\u306f\u3069\u3046\u63a8\u79fb\u3057\u305f\uff1f \u65e5\u672c\u5217\u5cf637,000\u5e74\u53f2-1\u3011"},"content":{"rendered":"

\"\"<\/a>
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English version\u2b07<\/p>\n

How Did Climatic Conditions Change? The 37,000-year history of the Japanese Islands – 1]
\nIdentification of prehistoric environmental conditions. Methods have been established and visualization has progressed. Exciting intellectual exploration reduced to a boy who loves history. …<\/p>\n

Well, lately, my blog entries have been going back and forth.
\nSince I have decided to write every day, I would like to write on a specific theme as much as possible.
\nThis will allow me to “dig deeper” and motivate me to do so.
\nFor now, I would like to follow the world of “prehistory” research at the National Museum of Japanese History.
\nThe theme is “The 37,000 Year History of the Japanese Islands.<\/p>\n

The history of the Japanese archipelago and its inhabitants spans 37,000 years.
\nThis kind of chronological identification seems to be a view that has been confirmed only recently.
\nIn the chronological phase of human history, it is the period from the Paleolithic Age to the Jomon Period and beyond to the present day.
\nThe latest research on the climatic environment that covered the archipelago during that period is on display.
\nThe exhibition panels were based on the latest research on the climatic environment that covered the archipelago during that period.
\n\u301cThe past climate, temperature, and paleo-vegetation were analyzed using ice cores from Greenland and Antarctica, as well as ice cores from Lake Nojiri in Nagano Prefecture, Japan.
\nand pollen analysis of lake sediments from Lake Nojiri, Nagano Prefecture, and Lake Suigetsu, Fukui Prefecture, Japan.
\nThe Late Paleolithic of the Japanese Archipelago The Late Paleolithic of the Japanese Islands was
\ncold but stable period” in the Japanese archipelago. On the other hand
\nThe Jomon Period, which began about 17,000 years ago, was a warm and stable period. ~…
\nI have not studied very hard, but now I am going to
\nI am amazed once more by the results of interesting research as a follow-up exam (laugh).
\nI mean, when I was educated more than half a century ago
\nsuch a study had not been finalized. As a result
\nI was educated in a state in which the real image of the world was covered by a blur.
\nSo, I was really moved by the fresh impression and eager to learn (laughs).
\nIf I had been taught this kind of thing, I would have learned more.
\nI would have learned more if I had been taught this way,” and the insolent thought of blaming others for my own lack of effort also comes to mind.
\nHowever, it is also a great pleasure to be able to experience the results of such research after aging.
\nEven in my old age, I feel as if my mind is rejuvenated to boyhood.<\/p>\n

Roughly speaking, since the Jomon period, global warming has been progressing.
\nThe Jomon period is a time when the warming of the earth’s surface led to a series of “social developments”.
\nI have often heard of the phenomenon called “Jomon Kaihin” (Jomon sea advance).
\nIt is clear that this kind of climate change was the starting point of this phenomenon.
\nThe environment itself, to which we should adapt, changed drastically from the Paleolithic period.
\nThe land area was greatly attenuated by the “sea advance,” as it is called, but the land that remained was affected by the warming of the climate.
\nThe remaining land was warmed, indicating that the tree fauna became rather abundant and diverse.
\nIn addition, the entire vegetation on the land that had previously been underwater has been transformed into a rich food environment.
\nThe rich food environment was created on the coasts of the archipelago, and fish resources became more abundant and plentiful.
\nThis is exactly the lifestyle and cultural environment of the Jomon period.
\nGlobal warming would have made life overwhelmingly easier.
\nOn the other hand, there was a diverse culture of stone tools as the main tools of life for hunter-gatherers.
\nThe evolutionary development of each period in response to the fauna is disclosed.
\nThe “visualization” of the macroscopic human environment also expands our imagination.<\/p>\n","protected":false},"excerpt":{"rendered":"

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