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.
Then it will depend on where you are stationed. If you are on a ship you get Sea Pay, if you are on a Submarine you get Sea Pay & Sub Pay. If you are on a Sub in Hawaii then you get Sea Pay, Sub Pay and OCONUS COLA. But if you are at a shore command in San Diego all you get is Basic Pay.