Base flow separation method and isotope technique were adopted to study the cyclic relationship between river water and groundwater. 通過(guò)基流分割計算和同位素技術(shù)的應用，研究了區內地下水和地表水之間的水循環(huán)規律及地下水對黃河的貢獻。
In recent years there has been a prosperous application of stable isotope technique, a new method applied in modern ecology research, in many ecological research fields. 穩定性同位素技術(shù)是現代生態(tài)學(xué)研究中的一門(mén)新興技術(shù)，在生態(tài)學(xué)研究的諸多領(lǐng)域都展示了廣闊的應用前景。
