Cyprus Pump Test

Cyprus

Cyprus

Cyprus

Aquifer Study Area

Cyprus

Yesilkoy Area

Cyprus

Yesilkoy Area

Yeşilkoy Aquifer Area

#*

#*

#*#*

yk-3

yk-27

yk-101

yk-109

Recharge Area

DischargeArea

Water Levels in Local Wells2002 - 2006

2 m drop

5 m drop

Yesilkoy Geology

Calcarenite in the Yeşilkoy aquifer

Hydraulic Conductivity of Calcarenite

Yesilkoy Aquifer Initial Conceptual Model

(Unconfined aquifer)

A A

A

A

Pumping(1.5 million m3)

Calcarinite50 to 70 m (aquifer)

Marl (aquitard) Organic rich calcarinite (poor water quality)

Sea

Rainfall (500 mm)

Recharge (1.6 million m3)

Water TableSpring

? ?

Yesilkoy Pump Test

Pumping Well

Observation Well

Pump Test Results

-18

-16

-14

-12

-10

-8

-6

-4

-2

0

0 50 100 150 200

Time (min)

Dra

wd

ow

n (

cm

)

-16.00

-14.00

-12.00

-10.00

-8.00

-6.00

-4.00

-2.00

0.00

0 2000 4000 6000 8000 10000 12000

Time (sec)

Ch

ang

e in

Wat

er L

evel

(cm

)

Hand measured Drawdown and Recovery for YK-109

Transducer measured Data for Drawdown and Recovery of YK-109

Pump Test Analysis

YK-109 Drawdown Analysis using Theis Method in AquiferTest

1.00E-03 1.00E-02 1.00E-01 1.00E+000.001

0.01

0.1

1

10

0.1 1.0 10.0 100.0

100

1000

10000

Match Point1/u = 10, W(u) = 1.0t = 150 min, s = 11 cm

Theis Method Example• Match Point• 1/u = 10, W(u) = 1.0• t = 150 min, s = 11 cm• Q = 0.4359 m3/min

daymmcmmcm

ms

QWT

mp

mp /454min/315.0)100/1(*)11(4

)1min)(/4359.0(4

223

32

2

21078.1

)103(

)1.0min)(150min)(/315.0(44 x

m

m

r

uTtS mpmp

Yeşilköy Aquifer Updated Conceptual Model

(Leaky confined aquifer)

A

A

K

h ( r )

ground surface

bedrock

aquitard confined aquifer

initial head

Well

s ( r )

r

Flow, Q

Q

h0

Extraction Wells

(3 million m3 per year) N

Kyrenia