Quantcast TABLE 3. COMPILATION OF MEASUREMENTS SEA CAVES, NOTCHES, OVERHANGS

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Solana Beach Coastal Preservation Association
August 20, 1998
Project No. 1831
TABLE 3
COMPILATION OF MEASUREMENTS
SEA CAVES, NOTCHES, OVERHANGS
Upper Bluff Slope Inclination
Depth of Sea Caves, Notches and Overhangs
Retreat
Lower Cliffed
Overall
Overall
of Vertical
Interval of
Notch
Cave
Before
After
Lower
Lower Cliff
Terrace Deposits
Depth
Overhang
Depth
97/98
97/98
Steep'nd
Since 1990
(undermined by
Address
Sea Cave
(ft)
(ft)
(ft)
(degrees)
(degrees)
(degrees)
(ft)
marine erosion, ft)
337/341
2.8
5.8
347
3.1
355
X
15
43
49
90
6.0
4.5
357
X
1.8
15
367
X
Filled
371
XX
Filled
53
53
7.0
403
XX
Filled
407
XX
Filled
417/423
X
16 - partial
49
53
68
0*
*southerly of the sea cave
475
X
16
REACH 3 - TIDE PARK
2.9
REACH 2 - 517 TO 525 PACIFIC
517
XX
Filled
521
X
Filled
525
XXXX
3.0
Filled
2.4
3.4
529
X
Filled
41
41
4.5
X
?
533
XX
?
REACH 1 - 533 PACIFIC TO CARDIFF STATE BEACH
601
X
?
611
X
?
617
37
37
633
X
2.2
10.0
19.0
Average
3.6
6.3
16.5
44
47
82
7.9
11.7
Maximum
9.0
10.8
32.0
53
60
90
19.0
24.5
Minimum
1.8
3.2
10.0
37
37
68
0.0
4.5
Measured sea cave and notch depths reflect conditions in June and July 1998, after the seasonal onshore movement of
sand had covered the bottom and rear portions of the abrasion features. Therefore, the depths reported in this table
likely underestimate the actual depths of notches and sea caves.



 


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