Hydrological, or direct, effects of doing this include reduction in downstream river flow, increased evaporation in the irrigated area, increased level in the water table as groundwater recharge in the area is increased and flow increased in the irrigated area.
Origins: This item about the elimination of imminent danger pay (also known as combat pay or hostile fire pay) for all U.S. military personnel save for those who are being shot at includes some truth and a good deal of mischaracterization.
You are considered to be serving in a combat zone if you are either assigned on official temporary duty to a combat zone or you qualify for hostile fire/imminent danger pay while in a combat zone. Service in a combat zone includes any periods you are absent from duty because of sickness, wounds, or leave.