headward

基本解釋

Erosion, which may include undercutting, knick point migration, headward erosion and downcutting, continues but at a much reduced rate.
一些樹最初在深沖溝出現(xiàn)前的淺沖溝中生長，一些沖溝裡沒有樹木生長的跡象，生長的樹木就是最初分開它們的柵欄標記。
gully bed incision and headward erosion
控制溝道下切
Formulas for Calculating Headward Erosion on a Bed Load-Delta
推移質(zhì)三角洲溯源沖刷計算公式
THE CONCEPTS AND MATHEMATICAL MODEL OF DOWNW-ARD SEDIMENTATION AND HEADWARD SEDIMENTATION
沿程淤積與溯源淤積的概唸與數(shù)學(xué)模型
headward gradient acceleration
頭曏梯度加速度