CHARACTERISTICS AND DISTRIBUTION OF NITROGEN FORMS IN SEDIMENTS OF BAIYANGDIAN LAKE IN SUMMER AND AUTUMN

SU Jinwei; ZHANG Lingfei; YU Minghui; SUN Tianxin; WANG Bo; ZHAO Jinghao; WANG Ziyi; SUN Yue; ZHOU Shilei

doi:10.13205/j.hjgc.202202009

Volume 40 Issue 2

Apr. 2022

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SU Jinwei, ZHANG Lingfei, YU Minghui, SUN Tianxin, WANG Bo, ZHAO Jinghao, WANG Ziyi, SUN Yue, ZHOU Shilei. CHARACTERISTICS AND DISTRIBUTION OF NITROGEN FORMS IN SEDIMENTS OF BAIYANGDIAN LAKE IN SUMMER AND AUTUMN[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(2): 53-58,153. doi: 10.13205/j.hjgc.202202009

Citation:

SU Jinwei, ZHANG Lingfei, YU Minghui, SUN Tianxin, WANG Bo, ZHAO Jinghao, WANG Ziyi, SUN Yue, ZHOU Shilei. CHARACTERISTICS AND DISTRIBUTION OF NITROGEN FORMS IN SEDIMENTS OF BAIYANGDIAN LAKE IN SUMMER AND AUTUMN[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(2): 53-58,153. doi: 10.13205/j.hjgc.202202009

Citation:

SU Jinwei, ZHANG Lingfei, YU Minghui, SUN Tianxin, WANG Bo, ZHAO Jinghao, WANG Ziyi, SUN Yue, ZHOU Shilei. CHARACTERISTICS AND DISTRIBUTION OF NITROGEN FORMS IN SEDIMENTS OF BAIYANGDIAN LAKE IN SUMMER AND AUTUMN[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(2): 53-58,153. doi: 10.13205/j.hjgc.202202009

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CHARACTERISTICS AND DISTRIBUTION OF NITROGEN FORMS IN SEDIMENTS OF BAIYANGDIAN LAKE IN SUMMER AND AUTUMN

doi: 10.13205/j.hjgc.202202009

Pollution Prevention Biotechnology Laboratory of Hebei Province, School of Environmental Science and Engineering,Hebei University of Science and Technology, Shijiazhuang 050018, China

Received Date: 2021-03-10
Available Online: 2022-04-02
Publish Date: 2022-04-02

Abstract

Abstract

In order to study the form and distribution characteristics of nitrogen in the sediments of Baiyangdian Lake in summer and autumn, the sediment nitrogen was classified into ion exchangeable form nitrogen(IEF-N), weak acid extractable form nitrogen(WAEF-N), strong alkali extractable form nitrogen(SAEF-N) and strong oxidant extractable form nitrogen(SOEF-N), by the method of extraction step by step. Meanwhile, the relationship between sediment nitrogen and interstitial water was also investigated. The results showed that the total nitrogen content of the sediments ranged from 3195.95~6335.34 mg/kg in summer and 3553.89~5786.3 mg/kg in autumn. The difference of total nitrogen content between original area and cultured area was the largest in summer and autumn. In the 15 sampling sites and 5 functional areas in summer and autumn, the orders of contents of all nitrogen forms were WAEF-N> SOEF-N>SAEF-N>IEF-N. Correlation analysis showed that ammonia and nitrate nitrogen of WAEF in sediments had significant correlation with ammonia nitrogen and nitrate nitrogen in pore water in summer and autumn(P<0.05). The study on nitrogen form in surface sediments of Baiyangdian Lake can provide a theoretical basis for lake management.
- Baiyangdian Lake,
- summer and autumn,
- sediment,
- convertible nitrogen,
- fractionated extraction method

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References(34)

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