Image Comparisons

Changes to the beach over time

Before-and-after image comparisons showing the effects of water flow from the Glen Canyon Dam.

12-4_Mile-1999-04-10-1515 12-4_Mile-1999-05-14-1500
12.4 Mile L – Below Salt Water Wash

Difference between daily high release in April vs May. This varies by month, so you need to know which camp will/will not be out of the water.

Hot Na Na camp before rain event. 07/03/2018 Hot Na Na camp shortly after rain event flash wipes out beach. 07/21/2018
16.3 Mile L – Hot Na Na

Hot Na Na camp before and after rain event. 07/03/2018 - 07/21/2018

Shinimo_Wash_Camp_20150403_0915_AAB_011 Shinimo_Wash_Camp_20150618_1500_AAB_016
29.4 Mile L – Shinumo Wash

No description found

09/29/2014 04/03/2015
37.9 Mile L – Tatahatso

Tatahatso less than desirable result of HFE and winter flow regime.

Martha_s_Camp_20180622_1130_AAB_009 Martha_s_Camp_20180901_1400_AAB_003
38.3 Mile L – Martha’s

Martha’s non-drainage related rain erosion.

Early photo of Clear Creek camp without vegetation. 07/30/1996 2019 photo of Clear Creek camp almost inundated by vegetation. 05/13/2019
84.0 Mile R – Clear Creek

Clear Creek camp before and after vegetation encroachment. 07/30/1996 - 05/13/2019

Before HFE. 04/07/2012 After HFE. 12/05/2012
84.4 Mile L – Zoroaster

Zoroaster Camp before and after HFE. 04/07/2012 - 12/05/2012

110 Mile camp before vegetation encroachment. 04/22/2000 110 Mile camp after vegetation encroachment. 08/25/2015
109.4 Mile R – 110 Mile

110 Mile camp before and after vegetation encroachment. 04/22/2000 - 08/25/2015

Lower_Garnet_Camp_20130410_1015_AAB_001 Lower_Garnet_Camp_20130917_1545_AAB_002
114.5 Mile R – Lower Garnet

Erosion from rain event that is definitely attributed to the drainage! FYI-this beach is much bigger than it appears in the foreshortened photo.

Stone_Creek_Camp_20160726_1700_AAB_001 Stone_Creek_Camp_20161001_1700_AAB_007
132.0 Mile R – Stone Creek

Stone Creek Camp difference in camp use area between two normal summer flows.

Owl_Eyes_Camp_20120411_0945_AAB_003 Owl_Eyes_Camp_20120729_1345_AAB_002
134.6 Mile L – Owl Eyes

Owl Eyes Camp normal DAILY min/max cfs in July 2012.

Olo_Camp_20140407_1715_AAB_003 Olo_Camp_20140813_1530_AAB_008
145.6 Mile L – Olo

No description found

05/30/2018 09/09/2018
164.0 Mile R – Tuckup

Rain erosion not related to a nearby drainage. Simply runoff from surrounding cliffs.

* The images in this exhibit were collected by volunteers for the Grand Canyon River Guides Adopt-A-Beach program with support provided by the U.S. Geological Survey Grand Canyon Monitoring and Research Center and the Glen Canyon Dam Adaptive Management Program administered by the U.S. Department of the Interior Bureau of Reclamation.