The history of dying sea

o

ïîäç

ãîä

Q

F

E

X

Q

Q

dt

dh

h

F

−

−

+

+

=

)

(

/

 

)

(

 ,

(11)

Where h - a water level in the sea; F - the area of water

area of the sea at the given level; t - time; Qãîä and Qïîäç -

annual superficial and underground inflow to the sea; X and E -

annual layers of an atmospheric preci pitation on a  surface of

the sea and evaporation from it; Qo - outflow of water on Uzboy.

As the periods when powerful coastal terraces were formed

were considered, it is possible to admit, as has been made by us/

30/, that at this time the sea level was approximately constant,

that is dh/dt=0.

Usually as characteristics of change of a climate accept

change annual (or seasonal) the sums of an atmospheric

precipitation and average annual (or  seasonal) temperatures

of air. Therefore it was necessary to find dependence of

components of water balance of the sea on these parameters.

For this purpose the given stations Tamdy well reflecting

integrated meteorological conditions Priaralye, and the data on

modern fluctuations of components of water balance of the

sea have been used. With the help of the found dependences

evaporation E and deposits X for the periods with known

---

71

conditions of a climate have been designed.

Inflow of water Qãîä as it is marked above, was estimated or

under characteristics of ancient channels, or if such data were

not, on dependences of a drain on deposits and the sizes of a

congelation/21/. Outflow on Uzboy for those periods when it

existed, has been determined on morphometric characteristics

of an ancient channel/23/. Underground inflow was accepted

constant and equal 1 km

3

/year.

Then the technique which allowed to calculate, for example,

with what has been developed should be changes of temperature

of air at the set changes of deposits. It is possible to solve and

a return task: on the set changes of temperature to calculate

required for maintenance of balance of change of deposits. In

result it was possible to receive the general data on changes of

climatic and hydrological conditions in Priaralye for the last

approximately 20 thousand years (tab. 3).