2008 Annual Monitoring Report (pdf 10.9MB) - Bolsa Chica ...

Bolsa Chica Lowlands Restoration Monitoring
2008 Annual Report
Mean Sea Level Beach Width (4) (m)
Survey
Transect Designation
Date 249+30 311+22 318+30 333+30 350+71 378+29 423+89
May 1963 36.6 (1) 17.7 (1) 21.0 (1) 28.9 (1) 33.0 (1) 33.6 (1) 71.2 (1)
Jul 1964 40.1 (1) 22.7 (1) 33.2 (1) 29.9 (1) - - -
Oct 1966 48.8 (1) 24.6 (1) 33.4 (1) 30.7 (1) 35.4 (1) 22.0 (1) 58.0 (1)
Apr 1969 63.2 (1) 34.6 (1) 47.5 (1) 40.4 (1) 40.4 (1) 25.2 (1) 43.6 (1)
May 1973 88.6 (1) 46.4 (1) 49.0 (1) 40.1 (1) 49.0 (1) 19.2 (1) 34.5 (1)
Dec 1978 83.3 (1) 61.6 (1) - - 37.4 (1) 29.6 (1) 55.0 (1)
Jun 1979 113.8 (1) 74.4 (1) - - 51.9 (1) 42.3 (1) 67.6 (1)
Apr 1982 82.5 (1) 55.3 (1) 57.3 (1) 48.9 (1) 44.2 (1) 19.5 (1) 70.3 (1)
Jan 1983 84.0 (1) 54.4 (1) 58.4 (1) 53.4 (1) 43.6 (1) 26.2 (1) 69.5 (1)
Feb 1992 89.3 58.3 - - 61.4 11.9 82.1
May 1992 96.4 61.6 - - 58.3 14.3 75.1
Nov 1992 93.5 54.1 - - 56.4 13.7 81.0
May 1993 84.5 57.9 - - 56.1 13.0 65.5
Oct 1993 92.6 68.0 - - 67.0 26.4 72.9
Apr 1994 90.0 66.2 - - 62.5 30.4 76.0
Oct 1994 100.7 69.7 - - 73.6 33.6 89.5
May 1995 83.6 60.2 - - 54.3 19.7 69.5
Nov 1997 93.6 (2) 88.6 (2) - - 56.1 (2) 15.7 (2) 83.6 (2)
Mar 2002 78.1 60.2 67.3 (1) 66.0 (1) 57.7 20.7 96.4
Oct 2005 85.9 (3) 63.4 (3) 70.5 (3) 79.3 (3) 62.1 (3) 36.1 (3) 120.2 (3)
Mar 2006 71.2 (3) 64.6 (3) 64.1 (3) 67.5 (3) 53.6 (3) 22.3 (3) 111.3 (3)
Jan 2007 86.8 70.3 85.9 66.6 54.1 23.9 110.5
May 2007 84.7 76.2 86.1 61.9 48.9 27.8 106.9
Oct 2007 91.0 85.5 82.7 72.3 54.8 41.1 113.3
May 2008 74.5 86.3 93.5 46.8 42.6 21.3 108.8
Oct 2008 87.1 87.1 93.5 80.5 57.2 26.4 106.6
Notes:
(1) Beach profile data generated from TIN model
(2) Beach profile data interpolated at 15.24 m (50.0 ft) intervals
(3) Beach profile data generated from LIDAR with a TIN model, topography only
(4) Mean Sea Level (MSL) lies 0.79 m above NAVD88 datum
Merkel & Associates, Inc.