海(hai)(hai)(hai)岸(an)(an)是(shi)在水(shui)(shui)面和陸地(di)接觸(chu)處(chu),經(jing)波(bo)浪、潮汐、海(hai)(hai)(hai)流等作用下形成的濱(bin)(bin)(bin)水(shui)(shui)地(di)帶(dai),其中(zhong)(zhong)(zhong)有眾多沉積物堆積而(er)形成的岸(an)(an)稱為灘。 緊鄰海(hai)(hai)(hai)濱(bin)(bin)(bin),在海(hai)(hai)(hai)濱(bin)(bin)(bin)向陸一(yi)側,包括海(hai)(hai)(hai)崖(ya)、上升階(jie)地(di)、陸側的低平地(di)帶(dai)、沙丘或穩(wen)定(ding)的植被地(di)帶(dai)。指(zhi)海(hai)(hai)(hai)濱(bin)(bin)(bin)或濱(bin)(bin)(bin)海(hai)(hai)(hai)的陸地(di)邊(bian)界、緊接海(hai)(hai)(hai)洋邊(bian)緣的陸地(di)。中(zhong)(zhong)(zhong)國最(zui)(zui)美的八大海(hai)(hai)(hai)岸(an)(an)是(shi)什么?由(you)《中(zhong)(zhong)(zhong)國國家地(di)理》主辦(ban),全國34家媒體(ti)協(xie)辦(ban)的“中(zhong)(zhong)(zhong)國最(zui)(zui)美的地(di)方”評(ping)選(xuan)活動,評(ping)選(xuan)出中(zhong)(zhong)(zhong)國最(zui)(zui)美8大海(hai)(hai)(hai)岸(an)(an)。