scholarly journals Research on Characteristics of Soil and Water Loss under Different Slope Conditions

2017 ◽  
Author(s):  
Kun Wang ◽  
Xin Cong ◽  
Jing Xu ◽  
Zhenghe Xu
Keyword(s):  
Water Loss ◽  
Soil And Water Loss ◽  
Soil And Water

scholarly journals Soil and Water Loss Rates in Oxisols Under No-tillage System in Western Paraná, Brazil

2018 ◽  
Vol 10 (10) ◽  
pp. 132
Author(s):  
Luana Salete Celante ◽  
Deonir Secco ◽  
Aracéli Ciotti de Marins ◽  
Daniela Trentin Nava ◽  
Flávio Gurgacz ◽  
...  
Keyword(s):  
Water Loss ◽  
Soil Loss ◽  
No Tillage ◽  
Linear Regression Models ◽  
Water Losses ◽  
Soil And Water Loss ◽  
Tillage System ◽  
Soil Losses ◽  
Soil And Water ◽  
Loss Rates

The objective of work was to quantify soil and water loss rates as a function of slope variation, correlating these rates with soybean yield. In addition to developing multiple linear regression models that associate water and soil loss rates in function of their physical attributes. The experiment was conducted in an Oxisols under a no-tillage system. The experiment was carried out in Cascavel, PR, Brazil. Four slopes (3.5%; 8.2%; 11.4% and 13.5%) were considered as treatments. The water and soil loss rates were monitored in the rainfall occurring during the crop development cycle. The water drained in each plot was collected in gutters made of polyvinyl chloride and stored in containers for the quantification of soil and water losses. The stepwise backward method was used to identify the variables that had a significant influence on water and soil losses. The unevenness of the terrain did not influence the soil and water loss rates. The maximum soil and water losses during the soybean cycle were, respectively, 0.01962 Mg ha-1 and 4.07 m3 ha-1. The maximum soil and water losses occurred when the precipitation volume was up to 82 mm. Soil and water losses showed a higher correlation with macroporosity and bulk density. Soybean grain yield showed a higher linear correlation with water, and soil loss and was higher at the slopes of 8.2% and 13.4%. The low water and soil losses demonstrate the soil capacity, managed under a no-tillage system, to minimize environmental impacts.

Soil and Water Conservation Society and the Construction of Ecological Civilization City

2014 ◽  
Vol 977 ◽  
pp. 290-294 ◽  
Author(s):  
Zhi Qiang Yu ◽  
Qiang Gao ◽  
Wen Feng Ding
Keyword(s):  
Soil Erosion ◽  
Social Construction ◽  
Water Loss ◽  
Water Conservation ◽  
Soil And Water Conservation ◽  
Ecological Civilization ◽  
Soil And Water Loss ◽  
The Social ◽  
The City ◽  
Soil And Water

In recent years , with the acceleration of the process of China's modernization cities , soil erosion and lead to many more serious environmental problems . This paper describes the harm to the social construction of ecological civilization city soil and water loss,analyzed the causes of soil erosion,and finally illustrates the importance of soil and water conservation of the city and puts forward some suggestions for the construction of soil and water conservation.

Predication of River Water Quality Based on Gray Dynamic Model Group in Wenchuan Earthquake Disaster Area

2013 ◽  
Vol 316-317 ◽  
pp. 599-605
Author(s):  
Feng Qian ◽  
Wei Lin ◽  
Bo Hu ◽  
Jing Jun Liu ◽  
Ming Biao Xiong
Keyword(s):  
Water Quality ◽  
River Water ◽  
Wenchuan Earthquake ◽  
Water Loss ◽  
River Water Quality ◽  
Total Hardness ◽  
Earthquake Disaster ◽  
Soil And Water Loss ◽  
Disaster Area ◽  
Soil And Water

“5.12 Wenchuan earthquake”triggered floods, landslide, collapse and secondary geological disaster, trigger a new soil and water loss, having the significant influence to the local river water quality.This article through the statistical analysis of minjiang river and jiangyou wenchuan, beichuan station 2006 ~ 2011 water conditions material, discussing the before and after the earthquake disaster areas of river water quality change characteristics. The results showed From ammonia nitrogen source analysis, urban sewage and industrial waste water, agricultural non-point source pollution and earthquake that triggered the new soil and water loss is the main pollution source. Based on the hydrological site total hardness concentration prediction, we can find wenchuan earthquake disaster area total hardness concentration significantly increase trend.

Microclimate and soil and water loss in shaded and unshaded agroforestry coffee systems

2020 ◽  
Author(s):  
Anôr Fiorini de Carvalho ◽  
Elpídio Inácio Fernandes-Filho ◽  
Mayara Daher ◽  
Lucas de Carvalho Gomes ◽  
Irene Maria Cardoso ◽  
...  
Keyword(s):  
Water Loss ◽  
Soil And Water Loss ◽  
Soil And Water

Characterization and Evaluation of Soil Erosion in Shenzhen: Using Environmental Radionuclides

2014 ◽  
Vol 522-524 ◽  
pp. 211-222
Author(s):  
Jun Jie Li ◽  
Ding Qiang Li ◽  
Mu Ning Zhuo
Keyword(s):  
Soil Erosion ◽  
Water Loss ◽  
Water Conservation ◽  
Urban Soil ◽  
Land Development ◽  
Wide Distribution ◽  
Distribution Area ◽  
Soil And Water Loss ◽  
Unique Method ◽  
Soil And Water

Nuclear tracer technology is quantitative and it has a high priority, which provides a unique method for understanding the mechanism of urban soil and water loss.137Cs +210Pbexcombination tracer was applied to study the characterization and evaluation of soil Erosion in Shenzhen. The results indicate that the following: 1)Disturbances from urbanization has greatly changed surface soil in Shenzhen.137Cs background inventory in Shenzhen range at 99 Bq/m2-653 Bq/m2. 2)210Pbexbackground inventory increase with altitude rise, which is attributed to the movement of water vapor. 3)Soil erosion in Shenzhen has a wide distribution area and exacerbated by severe human disturbance. Land development and steep orchard are key factors that influence urban soil and water loss. 4)Shenzhen should strictly carry out projects for soil and water conservation, such as returning steep slopes into forests and grasslands, and other ecological management reforms.

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