<prompt> Translate the following text to EnglishMtiririko wa maji kutoka na kwenda kwenye dimbwi hilo unabadilika kwa muda kutokana na mabadiliko ya umajimaji wa angahewa, na hivyo mabadiliko ya kemikali kati ya udongo na mchanganyiko wa udongo husababisha mabadiliko katika kemia ya maji ya uso.  <response>: As the fluxes to and from the pool change over time due to changes in atmospheric deposition, the chemical equilibria between soil and soil solution shift to give changes in surface water chemistry. 