Table 6.
Monthly water budget for the Nueces estuary, May–October 1998
[In
acre-feet]
|
Component |
May |
June |
July |
Aug. |
Sept. |
Oct. |
Total1 |
|
Inflows: |
|
|
|
|
|
|
|
|
Rainfall (Nueces delta) |
0 |
310 |
1,130 |
7,090 |
6,210 |
14,400 |
29,100 |
|
Rainfall (Nueces Bay) |
0 |
101 |
1,870 |
5,070 |
3,920 |
13,900 |
24,900 |
|
Measured inflow |
76 |
28 |
44 |
4,920 |
55,900 |
69,200 |
130,000 |
|
Unmeasured inflow |
0 |
0 |
0 |
760 |
870 |
5,500 |
7,130 |
|
Saltwater return flow |
29,500 |
39,300 |
35,900 |
37,300 |
37,900 |
29,500 |
209,000 |
|
Freshwater return flow |
320 |
420 |
400 |
400 |
420 |
350 |
2,310 |
|
Total1 |
29,900 |
40,200 |
39,300 |
55,500 |
105,000 |
133,000 |
403,000 |
|
Outflows: |
|
|
|
|
|
|
|
|
Evaporation (Nueces Bay) |
8,840 |
11,200 |
12,900 |
9,450 |
6,520 |
5,700 |
54,600 |
|
Net tidal flow |
25,800 |
28,200 |
31,100 |
29,700 |
85,900 |
106,000 |
307,000 |
|
Total1
|
34,600 |
39,400 |
44,000 |
39,100 |
92,400 |
112,000 |
362,000 |
|
Change in bay volume: |
-4,700 |
500 |
-5,800 |
9,500 |
6,800 |
7,300 |
13,600 |
1 Total might not equal sum because of rounding.