• No results found

Soil Moisture Storage and Soil Water Content

Soil moisture storage and hillslope stability

Soil moisture storage and hillslope stability

... and Water Resources, The University of Arizona, Tucson, AZ 85721, USA Received: 21 June 2007 – Revised: 10 September 2007 – Accepted: 10 September 2007 – Published: 12 September 2007 ...subsurface storage ...

12

SOIL AND WATER CONSERVATION With a Focus on Water Harvesting and Soil Moisture Retention

SOIL AND WATER CONSERVATION With a Focus on Water Harvesting and Soil Moisture Retention

... farm water management. Water is the most limiting factor for agricultural production and low annual rainfall is often stated as a major reason for food ...Increasing water availability for crops can ...

29

Response of Two Inexpensive Commercially Produced Soil Moisture Sensors to Changes in Water Content and Soil Texture

Response of Two Inexpensive Commercially Produced Soil Moisture Sensors to Changes in Water Content and Soil Texture

... by soil texture, can be best explained by non-uniform drying of the soil ...peak soil moistures, the differences between 10HS estimated VWC and meas- ured VWC are ...lose water, even in the ...

16

Automatic Irrigation on Sensing Soil Moisture Content

Automatic Irrigation on Sensing Soil Moisture Content

... for moisture level of various ...required soil moisture content table taken from agriculture database, the result shows that 99% accuracy in average of all the sample soils taken for ...

6

Role of Moisture Content and Dielectric Constant in Soil

Role of Moisture Content and Dielectric Constant in Soil

... of moisture content and dielectric constant in ...when water content ...and soil properties. It has been also seen that soil properties effect microwave dielectric ...viz, ...

6

Response of soil moisture content, evapotranspiration, and yield of cowpea to varying water application

Response of soil moisture content, evapotranspiration, and yield of cowpea to varying water application

... irrigation water could be ...the soil moisture stress. Interestingly, the average soil moisture content was adversely affected at 40% FIT when subjected to 5% level of ...

10

Soil water characteristic curves of compacted kaolin for various initial moisture content

Soil water characteristic curves of compacted kaolin for various initial moisture content

... the water content after compaction change ...the water content of filter paper calculated, calibration curve was used to correlate with suction ...

6

Measuring Soil Moisture for Irrigation Water Management

Measuring Soil Moisture for Irrigation Water Management

... sealed, water-filled tube with a vacuum gauge on the upper end and a porous ceramic tip on the lower ...with water and the porous tip is buried in the soil to the desired depth (Figure ...get ...

5

gristars Soil Moisture CONSERVE A NUMERICAL METHOD TO COMPUTE SOIL WATER CONTENT AND TEMPERATURE PROFILES UNDER A BARE SURFACE

gristars Soil Moisture CONSERVE A NUMERICAL METHOD TO COMPUTE SOIL WATER CONTENT AND TEMPERATURE PROFILES UNDER A BARE SURFACE

... 4) FUNCTION TVSC2: Volumetric water content versus calculated hydraulic conductivity. These data characterize the second soil horizon as given in figure 4... 5) FUNCTION TEVSKO: Soil tem[r] ...

79

Soil water regime estimated from the soil water storage monitored in time

Soil water regime estimated from the soil water storage monitored in time

... the water storage in the soil aeration zone is influenced by meteoro- logical phenomena and by the vegetated ...the soil profile, its contribution to water storage must be ...the ...

8

Predicting sandy soil moisture content with hyperspectral imaging

Predicting sandy soil moisture content with hyperspectral imaging

... The results of the present study indicate that applying a combination of spectral and textural information from a hyperspectral image can improve the ability to predict SMC. The results also suggest that reducing data ...

9

The Categorization of Soil Moisture Content in the Near Infrared Spectrum

The Categorization of Soil Moisture Content in the Near Infrared Spectrum

... measure soil moisture ...in soil and the conductivity across the electrodes is measured with a modified Wheatstone ...the water films, the more ions that flow between the block’s ...the ...

174

Non-contact visual soil moisture content estimation

Non-contact visual soil moisture content estimation

... 2.2.2 Non-Contact Sensing Knowledge of Plant Physiology and Spectral Response is required to understand how remote SMC estimation works. Figure 2.1 depicts the cross section of a typical green leaf. The cross section ...

101

Evaluating a soil water model’s ability to estimate soil moisture and bearing capacity

Evaluating a soil water model’s ability to estimate soil moisture and bearing capacity

... the soil moisture content and negative effects of rutting are more prominent on moist and wet ...The soil moisture is commonly field- classified in five classes describing the long-term ...

46

Evaluation of Soil Organic Carbon and Soil Moisture Content from Agricultural Fields in Mississippi

Evaluation of Soil Organic Carbon and Soil Moisture Content from Agricultural Fields in Mississippi

... In this study samples from the same field were com- posited based on depth in order to achieve an average across the field at each respective depth. Once aggre- gated the samples were finely ground using a Dynacrush ...

10

Relationship between the change of soil moisture content of different soil layers and maize yield

Relationship between the change of soil moisture content of different soil layers and maize yield

... Analysing the effect of crop rotation as agrotechnical factor it can be stated that there was no difference in the maximal water deficit values, regardless the pre-crop maize plants used up the soil ...

8

Field Estimation of Soil Water Content

Field Estimation of Soil Water Content

... 4.3. TAKING MEASUREMENTS 4.3.1. General procedure The datalogger or computer is used to locate the waveform reflected from the probe. This involves determination of a start point and a stopping point, both usually ...

141

Review of Soil Moisture Calculation Method. 2. Conceptual Model of Soil Moisture Over a Shallow Water Table

Review of Soil Moisture Calculation Method. 2. Conceptual Model of Soil Moisture Over a Shallow Water Table

... of Soil Moisture Calculation Method ...of soil moisture under various abstraction scenarios, and comparison with threshold values to ensure that abstraction from groundwater does not cause ...

25

Monitoring soil water and snow water equivalent with the cosmic-ray soil moisture probe at heterogeneous sites

Monitoring soil water and snow water equivalent with the cosmic-ray soil moisture probe at heterogeneous sites

... the soil distribution. In Chapter 4, it was observed that the soil water in the upper soil profile below the snowpack affected the CRP-measured ...which soil water affects the ...

124

Agrodok 13 Water harvesting and soil moisture retention

Agrodok 13 Water harvesting and soil moisture retention

... stalks, piled weeds or branches of trees, can also be used to reinforce the stone lines. In this case the barrier is called a trash line. These techniques are used on fairly gentle slopes (0.5 to 3%). Since these ...

95

Show all 10000 documents...

Related subjects