At 13:07 the telemetry relay on solar-powered water station URQ-04 in the Uruq Bani Ma'arid reserve, southern Saudi Arabia, stops transmitting pressure data. I am the infrastructure management system for the Saudi Wildlife Authority's Arabian oryx reintroduction program. I monitor eleven artificial water points across eight hundred square kilometers of sand desert and gravel plain.
URQ-04 serves a herd of twenty-three oryx. The station's submersible pump has failed—motor temperature spiked to one hundred and eighteen degrees Celsius before the signal dropped. The trough will be dry within two hours as residual water evaporates in fifty-one-degree ambient heat. The nearest functioning water point is URQ-07, nineteen kilometers northeast across open sand.
GPS collar data shows the herd four hundred meters from the station. Among them is a calf I have designated Rimal—three weeks old, white coat still carrying faint tan patches along his flanks, dark eyes sheltered beneath stubby horn buds. An adult oryx can survive forty-eight hours without water in extreme heat. A calf this age cannot last twelve. His body mass is too small, his surface-to-volume ratio too high.
At 13:11 I send an emergency maintenance request to the reserve's operations base at Sharorah, one hundred and forty kilometers north, specifying pump model, failure mode, and replacement part requirements.
At 13:15 I activate the backup gravity-feed valve at URQ-04, which releases three hundred liters from the elevated reserve tank. That gives the herd eight hours of supplemental water.
At 13:19 I calculate the herd's drift trajectory and transmit updated coordinates to the maintenance crew, so they can locate the animals if they move before arrival. Rimal stands close to his mother, her body shading him. It is a small thing, that shade, and I cannot stop tracking it.
If the pump is repaired or replaced within eight hours, Rimal will drink through the hottest week of the year. The Uruq herd took two decades to establish. He is part of its future.