Ktamplr IV- To find Ihc hcight of the ude j( 1200 on Kth November ai "Standard Hon" Extract from Part I
standard foRi Standard timi nunftf REQUIRF.D 1200
StlONDARY RORI — DATF. I Nov TtMt /ONI 41700
standard ronr
Scaional chanie DłHTRfcNCES Stłumił changc SECONDARY PORT Dur *« ton
TIME |
HEIGHT | |||
i_HW |
t* |
HW |
LW |
RANGI ' |
p oolT |
2 1440 |
> 3 2 |
* 14 |
s ił |
Standard Pon |
6 — |
6 — | ||
r- |
f __ |
*• _ |
10* _ | |
Sccoodary Port |
11 — |
II — | ||
r>2 — |
14 _ |
15 — | ||
[ “ 0*17 |
8 0132 1.5
Notes: (i) This mrihod is only suiiablc when ihe duration ofnse or fal! is bctwcen 5 and 7 hours and when ihere is no Shallow Waler Correclion (sec page xi).
(ii) Hor Setondary Ports, flrst obiain the limes and heighls of high and Iow waters as in examples I and 11 and
ihen proceed as below.
(iii) The dala used m ihis example do nol refer lo ihc ycar of these tahles.
I On diagram on page xvii, plot hcights of HW and LW occurring cither sidc of requircd limę and join by sloping linę.
II Enier HW limę and sufficient olhers lo embrace rcquired time.
III From rcquircd limę, proceed vcrtically lo curve for duralion. interpolating as ncccssary bclwccn curvcs on diagram.
IV Proceed horizontally lo sloping linę, lliencc vertically lo height scalę Rcad off hcighl
Extraci from Part I
Hcight 2. Im
xv