Effects of geomorphology and land use on stream water quality in southeastern Amazonia

被引：8

作者：

Silva Almada, Hellen Kezia ^{[1
]}

Silverio, Divino Vicente ^{[1
,2
]}

Macedo, Marcia Nunes ^{[2
,3
]}

Maracahipes-Santos, Leonardo ^{[1
,2
]}

Pinheiro Zaratim, Elizabete Carolina ^{[1
]}

Zaratim, Karina Pinheiro ^{[4
]}

Maccari, Alexsandro ^{[4
]}

Nascimento, Marcela Rodrigues ^{[4
]}

Umetsu, Ricardo Keichi ^{[1
,4
]}

机构：

[1] Univ Estado Mato Grosso UNEMAT, Postgrad Programme Ecol & Conservat, Nova Xavantina, Brazil

[2] Diretoria Ciencias, Inst Pesquisa Ambiental Amazonia, Brasilia, DF, Brazil

[3] Woods Hole Res Ctr, Amazon Program, Falmouth, MA USA

[4] Univ Estado Mato Grosso UNEMAT, Fac Ciencias Agr Biol & Sociais Aplicadas, Nova Xavantina, Brazil

来源：

HYDROLOGICAL SCIENCES JOURNAL | 2019年 / 64卷 / 05期

关键词：

water conservation; land use; ecosystem services; RIPARIAN;

D O I：

10.1080/02626667.2019.1587563

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

Water quality in streams is determined by several factors, including geology, topography, climate, and anthropogenic changes. This study aimed to assess the effects of watershed physical, morphology, and precipitation seasonality on the water quality of two streams that supply drinking water to rural settlements and urban areas in the Cerrado-Amazonia transition region. We monitored 16 physico-chemical attributes of water at six different sample locations over three years (2013-2016). Our results indicate that eight of these physico-chemical attributes did not meet the standards for safe drinking water established by Brazilian legislation. Precipitation seasonality, degradation of riparian zones, stream length, and watershed slope were the most important predictors of impaired water quality. Our results highlight the importance of restoring and conserving riparian forests in order to maintain drinking water quality.

引用

页码：620 / 632

页数：13

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