<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">the government released photos of the water control features I’ve mentioned being filled by the recent typhoon. The “flooding” pictured is by design, controlled by short inner and large, tall outer levees. <div class=""><br class=""></div><div class="">This should give people a better idea of the scale of the water features I am talking about. </div><div class=""><br class=""></div><div class="">it also gives you an idea of how much stuff that is regularly used is (rarely) flooded in these events. it is very irregular. </div><div class=""><br class=""></div><div class="">~ What it looks like normally, 360+ days a year. the brighter yellow reed grass shows the extent of the basins:</div><div class=""><br class=""></div><div class=""><a href="http://www.ktr.mlit.go.jp/ktr_content/content/000708028.pdf" class="">http://www.ktr.mlit.go.jp/ktr_content/content/000708028.pdf</a></div><div class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">~ 2 years ago, when the rivers and canals filled, but the larger basins were not really used:</div><div class=""><br class=""></div><div class=""><a href="http://www.ktr.mlit.go.jp/ktr_content/content/000708025.pdf" class="">http://www.ktr.mlit.go.jp/ktr_content/content/000708025.pdf</a></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">~The recent typhoon that completely filled the basins & rivers to become one giant lake (as designed) controlled by the outer levees:</div><div class=""><br class=""></div><div class=""><a href="http://www.ktr.mlit.go.jp/ktr_content/content/000759027.pdf" class="">http://www.ktr.mlit.go.jp/ktr_content/content/000759027.pdf</a></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">~ Where this river meets the larger river just below (Watarase meets Tone). This flood control system is merely meant to delay a surge into this larger river. </div><div class="">Localized flooding (rain that can’t drain away) can be seen as clear shiny water in the adjacent fields and villages. it is 1-2m deep. The river is ~9m higher than normal.</div><div class=""><br class=""></div><div class=""><a href="http://www.ktr.mlit.go.jp/ktr_content/content/000759029.pdf" class="">http://www.ktr.mlit.go.jp/ktr_content/content/000759029.pdf</a></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Javbw</div></body></html>