Modeled changes in temperature, dissolved oxygen, pH, and seafloor POC flux that could occur at the abyssal and bathyal seafloora by 2100 relative to present-day conditions. DOI: https://doi.org/10.1525/elementa.203.t2
| Ocean basin . | Depth zonea . | Temperature (°C) . | Dissolved oxygen (mL L–1) . | pH . | Seafloor POC flux (mg C m–2 d–1) . |
|---|---|---|---|---|---|
| Atlantic | > 3 km | –0.37 to 0.98 | –0.03 to 0 | –0.13 to 0 | –1.27 to –0.02 |
| 0.2–3 km | –0.32 to 4.41 | –0.03 to 0.02 | –0.37 to –0.01 | –13.73 to 0.63 | |
| Pacific | > 3 km | 0.02 to 0.47 | –0.01 to 0 | –0.06 to 0.01 | –1.27 to 0.51 |
| 0.2–3 km | 0.03 to 3.63 | –0.05 to 0.01 | –0.31 to 0 | –5.19 to 2.37 | |
| Indian | > 3 km | –0.01 to 0.45 | –0.01 to 0 | –0.06 to 0 | –0.64 to –0.04 |
| 0.2–3 km | –0.01 to 2.17 | –0.01 to 0 | –0.29 to 0 | –3.7 to 0.4 | |
| Southern | > 3 km | 0.09 to 0.74 | –0.03 to 0 | –0.09 to –0.01 | –0.31 to 0.48 |
| 0.2–3 km | 0.08 to 1.71 | –0.04 to 0 | –0.33 to –0.01 | –1.95 to 4.78 | |
| Arctic | > 3 km | –0.13 to 0.76 | –0.02 to 0 | –0.14 to –0.01 | –1.25 to 1.64 |
| 0.2–3 km | –0.18 to 3.71 | –0.03 to 0.02 | –0.37 to –0.01 | –9.71 to 3.57 | |
| Ocean basin . | Depth zonea . | Temperature (°C) . | Dissolved oxygen (mL L–1) . | pH . | Seafloor POC flux (mg C m–2 d–1) . |
|---|---|---|---|---|---|
| Atlantic | > 3 km | –0.37 to 0.98 | –0.03 to 0 | –0.13 to 0 | –1.27 to –0.02 |
| 0.2–3 km | –0.32 to 4.41 | –0.03 to 0.02 | –0.37 to –0.01 | –13.73 to 0.63 | |
| Pacific | > 3 km | 0.02 to 0.47 | –0.01 to 0 | –0.06 to 0.01 | –1.27 to 0.51 |
| 0.2–3 km | 0.03 to 3.63 | –0.05 to 0.01 | –0.31 to 0 | –5.19 to 2.37 | |
| Indian | > 3 km | –0.01 to 0.45 | –0.01 to 0 | –0.06 to 0 | –0.64 to –0.04 |
| 0.2–3 km | –0.01 to 2.17 | –0.01 to 0 | –0.29 to 0 | –3.7 to 0.4 | |
| Southern | > 3 km | 0.09 to 0.74 | –0.03 to 0 | –0.09 to –0.01 | –0.31 to 0.48 |
| 0.2–3 km | 0.08 to 1.71 | –0.04 to 0 | –0.33 to –0.01 | –1.95 to 4.78 | |
| Arctic | > 3 km | –0.13 to 0.76 | –0.02 to 0 | –0.14 to –0.01 | –1.25 to 1.64 |
| 0.2–3 km | –0.18 to 3.71 | –0.03 to 0.02 | –0.37 to –0.01 | –9.71 to 3.57 | |
aAbyssal depths are > 3 km; bathyal depths are 0.2–3 km.