1. Environmental quality of Jordanian coastal waters Mohammad Badran Marine Science Station, Aqaba, Jordan University of Jordan Yarmouk University

3. 0306090120150180210240270300330360 Temperature field -200 -175 -150 -125 -100 -75 -50 -25 0 w a t e r d e p t h m 0306090120150180210240270300330360 Dissolved oxygen concentration -200 -175 -150 -125 -100 -75 -50 -25 0 0306090120150180210240270300330360 Julian day Dissolved oxygen percent saturation -200 -175 -150 -125 -100 -75 -50 -25 0 w a t e r d e p t h 91.00 93.00 95.00 97.00 99.00 101.00 103.00 105.00 6.20 6.35 6.50 6.65 6.80 6.95 7.10 7.25 7.40 20.00 20.50 21.00 21.50 22.00 22.50 23.00 23.50 24.00 24.50 25.00 25.50 26.00 26.50 27.00 306090120150180210240270300330360 Julian day Chlorophyll a concentration -200 -175 -150 -125 -100 -75 -50 -25 0 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50

5. Aqaba background and governance

8. 1234567891011 Month Ammonia concentration record uM in the Jordanian coastal waters of the Gulf of Aqaba 2926.00 2926.50 2927.00 2927.50 2928.00 2928.50 2929.00 2929.50 2930.00 2930.50 2931.00 2931.50 2932.00 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 Northernmost Aqaba Town Phosph. load. Clinker load Science Stn. Pub. Beach

9. 1234567891011 Month Nitrate concentration record uM in the Jordanian coastal waters of the Gulf of Aqaba 2926.00 2927.00 2928.00 2929.00 2930.00 2931.00 2932.00 0.02 0.12 0.22 0.32 0.42 0.52 0.62 0.72 0.82 0.92 1.02 1.12 Clinker load. Pub. Beach Aqaba Town Phosph. load. Northernmost Science Stn.

11. 1234567891011 Month Chlorophyll a concentration ug/l in Jordanian coastal waters of the Gulf of Aqaba 2926.00 2926.50 2927.00 2927.50 2928.00 2928.50 2929.00 2929.50 2930.00 2930.50 2931.00 2931.50 2932.00 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 Northernmost Aqaba Town Phosph. load. Clinker load. Science Stn. Pub. Beach

12. Phosphate dust

13. Thermal contamination 80,000 m 3 hr -1 Temperature above ambient: 5-7 oC in winter 7-9 oC in summer