«FarDU­ ilmiy xabarlari» Volume 7 Issue 3 (2026)

SPRING PHYSICOCHEMICAL INDICATORS OF THE ZARAFSHAN RIVER IN ITS MIDDLE AND LOWER REACHES

Axmadjonova, Muazzam, Karimbayev, Jaloliddin, Karimov, Erkin, Ibroximova, Nigora

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Abstract

Abstract This study presents an analysis of pH, temperature, turbidity, and electrical conductivity (EC) measured at 10 sampling stations along the middle and lower reaches of the Zarafshan River during the spring season of 2026. The spring period, characterized by peak hydrological activity due to glacial and snowmelt, reflects the widest range of physicochemical parameter variability. Water pH increased consistently from upstream to downstream, ranging from 7.56 to 10.33. EC values ranged between 418 and 3040 μS/cm, showing an increase in lower reach salinization beginning at Station 6 (1956 μS/cm).. Water temperature varied between 18.5 and 24.3°C, displaying a mosaic distribution driven by local factors. Turbidity exhibited a bimodal pattern, enabling the distinction of dam-affected zones (N1: 0.949 g/L) from urban-industrial zones (N10: 0.551 g/L).

Water quality assessmentpHelectrical conductivityturbiditytemperatureWater quality assessmentpHelectrical conductivityturbiditytemperature

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APA 7 
Axmadjonova, Muazzam, Karimbayev, Jaloliddin, Karimov, Erkin & Ibroximova, Nigora (2026). SPRING PHYSICOCHEMICAL INDICATORS OF THE ZARAFSHAN RIVER IN ITS MIDDLE AND LOWER REACHES. «FarDU­ ilmiy xabarlari», 7(3).
GOST R 7.0.5 
Axmadjonova, Muazzam, Karimbayev, Jaloliddin, Karimov, Erkin, Ibroximova, Nigora SPRING PHYSICOCHEMICAL INDICATORS OF THE ZARAFSHAN RIVER IN ITS MIDDLE AND LOWER REACHES // «FarDU­ ilmiy xabarlari». 2026. Т. 7. № 3.
BibTeX 
@article{muazzam2026,
  author  = {Axmadjonova, Muazzam and Karimbayev, Jaloliddin and Karimov, Erkin and Ibroximova, Nigora},
  title   = {SPRING PHYSICOCHEMICAL INDICATORS OF THE ZARAFSHAN RIVER IN ITS MIDDLE AND LOWER REACHES},
  journal = {«FarDU­ ilmiy xabarlari»},
  year    = {2026},
  volume  = {7},
  number  = {3}
}
RIS 
TY  - JOUR
AU  - Axmadjonova, Muazzam
AU  - Karimbayev, Jaloliddin
AU  - Karimov, Erkin
AU  - Ibroximova, Nigora
TI  - SPRING PHYSICOCHEMICAL INDICATORS OF THE ZARAFSHAN RIVER IN ITS MIDDLE AND LOWER REACHES
JO  - «FarDU­ ilmiy xabarlari»
PY  - 2026
VL  - 7
IS  - 3
ER  -