| |
Identification
Code |
PP00120 |
Project
title |
Set
of organizational-technical measures on prevention of surface
waters pollution by agricultural chemicals removed by drainage
outflow from irrigated fields of Shuruzyak massif of Hunger
Steppe |
Project
location |
Republic
of Uzbekistan, Syrdarya oblast |
Rubric |
70.27 |
Rubric (SIC ICWC) |
01.15 |
Project
duration |
1986-1992 |
Project
manager |
I.B.Ruziyev,
SANIIRI Republic of Uzbekistan, 700187, Tashkent, Karasu-4, 11 |
Summary |
Research
is devoted to prevention of collector-drainage and river
water pollution by agricultural chemicals, removed from
irrigated fields of Shuruzyak massif; collector-drainage
water hydro-botanic treatment in order to reuse them for
irrigation. Climate is continental; relief-hilly. Soil structure:
sandy loam, light and medium loam- are saline from 1.5-2.0m
(0.7-1.5%) and polluted by agricultural chemicals. Ground
water table depth is 1.0- 1.5m (spring) and up to 2.5m (fall);
water salinity is 5-10g/l, sulfate-chloride. Irrigated area
is 638ha (net); land use efficiency is 0.85. Water supply
is made from SyrDarya river, canals efficiency is 0.94,
system efficiency-0.70-0.75. Specific collectors extent
is 6-8m/ha. Water disposal is made to SyrDarya river. Method
of collector-drainage water hydro-botanic treatment is developed
for AmuDarya and SyrDarya downstream. Proposed formulae
for main parameters of bio-plateau (size, water running
speed, plants density depending of species, etc.) provide
necessary intensity and degree of bio-botanic treatment.
Developed method gives possibility to reduce level of pollution
and regulate surface water quality in the river basin and
improve environment. |
Key
words |
Water
protection, surface water. Drainage water, ecology, water
quality, bio-plateau, pollution |
Bibliography |
Author:
I.B.Ruziyev Title: "Bio-plateau use for collector-drainage
water treatment from chemicals and other pollutants",
1991 Results of field, laboratorial and experimental tests
of collector-drainage water quality improvement with bio-plateau
are presented. Collector-drainage water quality changes
dynamics along experimental canal is shown. |
|
|
|
