UNUSUAL GEOHYDROCHEMICAL PROPERTIES OF GOLGIR SULFUR SPRINGS RESULTED IN MICROBIOECOLOGICAL DEVIATIONS IN TEMBI RIVER

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PAPIZADEH MOSLEM; FAKOUR HOSSEIN; ROAIAEI ARDAKANI MOHAMMAD

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Seminar: CONGRESS OF IRANIAN GENETICS
Year:2014 | Issue:1

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Title

UNUSUAL GEOHYDROCHEMICAL PROPERTIES OF GOLGIR SULFUR SPRINGS RESULTED IN MICROBIOECOLOGICAL DEVIATIONS IN TEMBI RIVER

Author(s)

PAPIZADEH MOSLEM | FAKOUR HOSSEIN | ROAIAEI ARDAKANI MOHAMMAD

Keywords

Not Registered.

Abstract

THE SALINITY AND UNUSUAL HYDROCHEMISTRY OF TEMBI RIVER IS MAINLY RELATED TO THE GROUND WATERS THAT STREAM IN THE GACHSARAN FORMATION, THE GYPSUM AND EVAPORITE BASED CAP ROCK OF ASMARI OIL RESERVOIR. THERE ARE SEVEN SULFUR AND SULFIDE SPRINGS AT GOLGIR REGION THAT INTRODUCE IN TO THE TEMBI RIVER AND RESULT IN A DETECTABLE HYDROCHEMICAL AND MICROBIOECOLOGICAL CHANGES AS OUR RESULTS SHOWED. ALSO, XRF ANALYSIS OF THE SEDIMENTS OF THE SPRINGS CONFIRMED THE HYDRO GEOCHEMISTRY RESULTS. MOST PROBABLE NUMBER COUNTING OF DISSIMILATORY SULFATE REDUCING, DISSIMILATORY NITRATE REDUCING AND OXIDATIVE SULFUR BACTERIA ON A DEFINED NACL CONCENTRATION GRADIENT SHOWED THAT THERE IS A VERY DIFFERENT MICROBIAL COMMUNITY IN SEDIMENT AND WATER SAMPLES OF THE UPSTREAM AND DOWNSTREAM OF THE GOLGIR SPRINGS INTRODUCTION POINT. SUCH A DIFFERENCE IS HIGHLY RELATED TO THE HYDRO GEOCHEMISTRY OF THE GOLGIR SPRINGS AND OF COURSE THE LOCAL SHALLOWNESS OF ASMARI OIL RESERVOIR AT THIS REGION THAT CAUSED NATURAL OIL SEEPAGES INTO THE GROUND WATER IN GACHSARAN FORMATION. SUCH SEEPAGES ARE VERY COMMON IN GACHSARAN FORMATION AS GEOGRAPHICAL STUDIES SHOWED. H2S THAT IS PRODUCED MAINLY BY MICROBIAL SOURING IS THE MAIN CAUSE OF MICROBIAL METABOLISM DEVIATION TO THE SULFUR BASED REDUCTIVE AND OXIDATIVE REACTIONS IN GOLGIR SPRINGS. DUE TO THE GYPSUM DISSOLUTION THE GROUND WATER RECEIVES CONCENTRATIONS OF SULFATE (0.09-0.1 M). MOREOVER, SEEPAGE OF ASMARI OIL RESERVOIR RESULTED IN THE HYDROCARBON CONTAMINATION AND REDUCTIVE NATURE OF THE GROUND WATER. SULFATE REDUCING BACTERIA ARE ENRICHED IN THE GROUND WATER AND ALSO IN THE VICINITY OF ASMARI OIL RESERVOIR AND THEIR SULFATE REDUCTION RESULTED IN H2S PRODUCTION. HIGH H2S CONCENTRATION RESULTED IN TEMBI WATER TOXIFICATION AND THE ATTENUATION OF O2 AND NO3- BASED RESPIRATION AND ALSO PRECIPITATION OF METAL BASED SULFIDES. SUCH SPECIFIC MICROBIOECOLOGICAL PROPERTIES TOGETHER WITH A LONG SALINITY GRADIENT (10-261G/L NACL) INTRODUCED THE TEMBI RIVER AS A SPECIFIC ECOSYSTEM FOR BIODIVERSITY AND GEOMICROBIOLOGY STUDIES.

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APA: Copy

PAPIZADEH, MOSLEM, FAKOUR, HOSSEIN, & ROAIAEI ARDAKANI, MOHAMMAD. (2014). UNUSUAL GEOHYDROCHEMICAL PROPERTIES OF GOLGIR SULFUR SPRINGS RESULTED IN MICROBIOECOLOGICAL DEVIATIONS IN TEMBI RIVER. CONGRESS OF IRANIAN GENETICS. SID. https://sid.ir/paper/906866/en

Vancouver: Copy

PAPIZADEH MOSLEM, FAKOUR HOSSEIN, ROAIAEI ARDAKANI MOHAMMAD. UNUSUAL GEOHYDROCHEMICAL PROPERTIES OF GOLGIR SULFUR SPRINGS RESULTED IN MICROBIOECOLOGICAL DEVIATIONS IN TEMBI RIVER. 2014. Available from: https://sid.ir/paper/906866/en

IEEE: Copy

MOSLEM PAPIZADEH, HOSSEIN FAKOUR, and MOHAMMAD ROAIAEI ARDAKANI, “UNUSUAL GEOHYDROCHEMICAL PROPERTIES OF GOLGIR SULFUR SPRINGS RESULTED IN MICROBIOECOLOGICAL DEVIATIONS IN TEMBI RIVER,” presented at the CONGRESS OF IRANIAN GENETICS. 2014, [Online]. Available: https://sid.ir/paper/906866/en

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