Section 10 

 BROOKLYN, WEW YORK -- MEW YORK RAyAL SHIPYARD 



AlO.Ol Location of the Test Station and Test Board 



A test toard of the panel type was Installed July 20, 19^^, 

 at the New York Naval Shipyard, Naval Base Station, Brooklyn, New York. 

 This test hoard, designated hy the symbol USHWY-l, was Installed at 

 the end of Pier D in -Uie East River. The results from this test hoard, 

 the operation of which is helng continued, have heen summarized 

 to the end of 19hj . 



A10.02 Hydrographlc Data 



The depth of water where this test hoard was installed was 

 2l|- ft at mean low water; the range of tide was k,2 ft; the current 

 velocity was zero. The temperature of the water at the time of installation 

 was 71° F. The degree of pollution is stated to he heavy. The monthly 

 data on water temperatures and analysis received from the New York 

 Naval Shipyard are tahulted as follows: 



Date 



k/23/h6 



5/2UA6 



6/l9/h6 



7/18A6 



8/20 A6 



9/19A6 



10/22 A6 



II/22/U6 



12/l9/h6 



l/2l/lt-7 



2/2l/lt7 



5/19A7 

 k/2k/k7 



5/22A7 



6/27M 



l/2k/hl 



8/26/U7 



9/25/>7 



10/25/>7 



II/20/U7 



12/29/k'J 



Tempera- 

 ture, 

 degrees F 



51 

 55 

 59 

 Ik 

 72 

 76 

 62 



55 

 kk 



52 

 56 

 58 

 h3 

 56 

 65 

 72 



75 

 72 

 66 

 1^5 

 31 



Specific 

 gravity 



1.0178 

 1.0159 

 1.0151 



1.0159 

 1.0156 

 1.0160 

 1.0176 

 1.0189 

 1.0185 

 1.0187 

 1.0181 



1.0155 

 •1.0160 

 1.0160 

 1.011^5 

 1.015!^ 

 l.OllfJ 

 I.OI7U 

 1.0180 

 1.0185 

 1.0187 



Salinity as 

 sodium chlor- 

 ide: percent 



2.10 

 1.5^^ 

 1.77 

 2.25 



1.99 

 2.22 

 2.20 

 2.22 

 2.12 

 2.2U 

 2.07 

 1.60 

 1.96 

 1.87 

 1.85 

 2.OU 

 2.OI+ 

 2.50 

 2.27 

 2.10 

 2.01 



Position sample taken: 

 Depth helow 

 mean low water 



17 ft in. 

 17 ft in. 



17 ft 



? 



? 



? 



1 

 17 ft 



1 

 17 ft 



i 

 i 

 7 

 ? 



? 

 ? 



? 



17 ft 

 ? 

 ? 

 ? 



in. 



in. 



in. 



in. 



55 



