Scholarlink

<p>Over the years, urban rivers have suffered from environmental degradation due to anthropogenic activities, becoming a public concern. Thus, the objective of this study was to evaluate the spatiotemporal evolution of water quality in the Apodi-Mossoró River, in the urban section of Mossoró-RN, during the dry and rainy seasons. To this end, the physical–chemical and microbiological attributes of water samples collected at six points along the urban stretch of the Apodi-Mossoró River were characterized. Using the water quality data, the Water Quality Index was calculated, and multivariate statistical analysis was performed. The Water Quality Index varied considerably. At the Genésio Dam, a more positive assessment was observed, with ratings ranging from excellent to good. However, the other points showed significant variations, especially the Barrocas Dam, which received all ratings. The attributes that most influenced the results were total Kjeldahl nitrogen, turbidity and biochemical oxygen demand. The river water showed a high salt content, resulting in a classification as brackish at all points evaluated for most of the year, except during the rainy season, when it was considered fresh.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Water quality dynamics in urban river of the semiarid region under anthropogenic pressure: a spatiotemporal analysis in the stretch of the municipality of Mossoró (Brazil)

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年5月28日

查看全文
  • Adler Lincoln Severiano da Silva,
  • Hélio Nogueira Bezerra,
  • Phâmella Kalliny Pereira Farias,
  • Maria Sara Martins da Silva,
  • Leandra Karla Oliveira Costa,
  • Letícia Vitória Melo da Silva,
  • Carla Natanieli de Oliveira Batista,
  • Daniela da Costa Leite Coelho,
  • Maria Valdiglezia de Mesquita Arruda,
  • Luiz Fernando de Sousa Antunes,
  • Rafael Oliveira Batista

摘要

Over the years, urban rivers have suffered from environmental degradation due to anthropogenic activities, becoming a public concern. Thus, the objective of this study was to evaluate the spatiotemporal evolution of water quality in the Apodi-Mossoró River, in the urban section of Mossoró-RN, during the dry and rainy seasons. To this end, the physical–chemical and microbiological attributes of water samples collected at six points along the urban stretch of the Apodi-Mossoró River were characterized. Using the water quality data, the Water Quality Index was calculated, and multivariate statistical analysis was performed. The Water Quality Index varied considerably. At the Genésio Dam, a more positive assessment was observed, with ratings ranging from excellent to good. However, the other points showed significant variations, especially the Barrocas Dam, which received all ratings. The attributes that most influenced the results were total Kjeldahl nitrogen, turbidity and biochemical oxygen demand. The river water showed a high salt content, resulting in a classification as brackish at all points evaluated for most of the year, except during the rainy season, when it was considered fresh.