Periods of oscillation of ground water level in Nam Bo Plain

Abstract

      Due to effect of natural factors in Nam bo Plain (ĐBNB) groundwater has a lot of different periods of oscillation. But during in process to take shape dynamic, natural factors has changed their period. Using the methods: Boi-Balon, sliding average, integral-diffence, the authors proved the groundwater in Nam bo Plain has half-day, half-month and 11 years periods.