The New York herald. [volume] (New York [N.Y.]) 1840-1920, 1853-08-03

There numbers are proeced on diagram c. when the
climates to the intervals for curve and
the for the other and the abscs to the tda
days for both. Notwithstanding the small number of
observations the be traced with tolerabe
certainty and follow the general law of the ineq
Each curve shows an inequality increasing
log with the moons decnatio1; nearly crossing the
lines at the of decnation and reach.
ing mi xilnum OF minimum at the maximum or nor tn
ard south declnaton. The observations furnish
sufficient evidence to decide positively that the epochs
the several coincide with yhoe of the dec
nation or otherwie On the average they are about
halt day before the corresponding declinaton The inc
quality in the height Of high water and interval
Gf low water increases and decrease together and
tha inequality of high water and height of low water.
Tho decnatlon of the and the inequality in the in
terva OF high water and In height OF lox water has
abe sign and the is the with the other
two inequalities The inequality in the height Of 10 v
water - in general greater than that of high water,
exceeding it when at the maximum in the proportion of
two to one nearly 10 to - The relations exist
between the yimum inequality in interval OF high
ter compared with that of low a. l) The maxi
Inequality in the height of los water is GO feet
and of high water 1s5 feet The maximum inequality OF
interval Of high water as shown BY the curve is h.
Mr. Heston of the tidal party for the decomposition
der the drecion Of Mr.. W. W. Gordon of the of
for be Of # the t tide. of Of the Gulf Of exco
Though from trials which have made, these decom
Positions may be improved they are nevertheless of
sumed by the curves Of diurnal inequality in height
interval and for high and low water and their rels
tons. When the observations now in progress on the
western coast fball have given additional result pro-
pose take up this branch the subject again. In the
meantime 1t appears to me the results now obtained
of sufficient interest to be sented to the assoca
ton have taken example OF the decomposition the
FROM the observations OF Jauusry IL 1852 the result
correspof ding nearly the maximum Of the con dec
nation and to full moon The durnsl curve the nterfe
OF shch with the semi durns produces the form
shown in diagram A. ard also, on larger SCALE In dia
gram d. is gwen the diagram Its nsxinum ordinate
found by summing tho tHo seIics Ct heights fom the
hony tbfelvaton in which the vslues os the ord
Of the duInal wtn opposite signs and
referring to the Of nes for their relation to the
Maximum ordinate is 2.20 feet The OF tho squares
of the differences between obse walton aud putation
is The least the interference takes place. sho
IN the D. the maximum ordinate OF the diurna
curve heing hours aud half from the maximum
ordinate of tho semi tiurral Subrscng the or
onates from tSe diuIpsl assumed as curve
OF nes for the heights given b. che hourly observa
tors We have residual curve which Is traced on the
oae The average Of the four loops Of the curve is
ala oct precisely Of sines (which ths maximum
o!diIa ate IL 2 80 f..
Ihe TIDAL curves The maximum of dsclin2tiou and
for tyeral days esch side Of IT, reaut fro the intefe
er semi dinl ns and diunel wave, which at the
mexmum Of each are nearly equal IN magnitude, the
crest of the dulnsl being at that uerod about
eish hours in advance of that Of the semi duual
The annexed Il be gives the comparison maie in the
dbglam The FIRST column contains the ordpstes of the
cuIy. of obervaton; the second thoe OF the durnai
curve the ourhhe ordns tes OF the semi duras curve
which must satisfy The residual; and the fth the anau
reuauing df.rencgB the average being about Ia TT
The Great of the diuIpn is and half hours
10 from tho seul diurnal, and its maximum ordipate
la22ft.
TABLE NO. 3.
Ano1His Of Cure of OJ nations for January 2l1 1897