How arid lands and snow water help feed us: Abstract

1926 ◽  
Author(s):  
E. Winifred Crawford
Keyword(s):  
Arid Lands ◽  
Snow Water

Fog on the brine — Fog-catching systems for arid lands

Waterlines ◽  
1996 ◽  
Vol 14 (4) ◽  
pp. 4-7 ◽  
Author(s):  
Cristobal Pinche ◽  
Loren Ruiz
Keyword(s):  
Arid Lands

The Arid Lands of China Should Not Be Taken As the New Grain Output Fields

2010 ◽  
Vol 27 (2) ◽  
pp. 153-159
Author(s):  
Ru-ji HU ◽  
Feng-qing JIANG ◽  
Ya-jun WANG
Keyword(s):  
Arid Lands

SUSTAINABLE YIELD GROUNDWATER IN ARID AND SEMI-ARID LANDS IN TEXAS

2017 ◽  
Author(s):  
Ronald Green ◽  
◽  
F. Paul Bertetti ◽  
Beth Fratesi ◽  
Nathaniel J. Toll
Keyword(s):  
Arid Lands ◽  
Sustainable Yield ◽  
Semi Arid

scholarly journals Implications of observed changes in high mountain snow water storage, snowmelt timing and melt window

2021 ◽  
Vol 35 ◽  
pp. 100799
Author(s):  
Emile Elias ◽  
Darren James ◽  
Sierra Heimel ◽  
Caiti Steele ◽  
Heidi Steltzer ◽  
...  
Keyword(s):  
Water Storage ◽  
High Mountain ◽  
Snow Water

scholarly journals Analysis of the Snow Water Equivalent at the AEMet-Formigal Field Laboratory (Spanish Pyrenees) During the 2019/2020 Winter Season Using a Stepped-Frequency Continuous Wave Radar (SFCW)

2021 ◽  
Vol 13 (4) ◽  
pp. 616
Author(s):  
Rafael Alonso ◽  
José María García del Pozo ◽  
Samuel T. Buisán ◽  
José Adolfo Álvarez
Keyword(s):  
Software Defined Radio ◽  
Continuous Wave ◽  
Snow Water Equivalent ◽  
Cosmic Ray ◽  
Relative Dielectric Permittivity ◽  
Near Surface ◽  
Wave Radar ◽  
Spanish Pyrenees ◽  
Snow Water ◽  
Stepped Frequency

Snow makes a great contribution to the hydrological cycle in cold regions. The parameter to characterize available the water from the snow cover is the well-known snow water equivalent (SWE). This paper presents a near-surface-based radar for determining the SWE from the measured complex spectral reflectance of the snowpack. The method is based in a stepped-frequency continuous wave radar (SFCW), implemented in a coherent software defined radio (SDR), in the range from 150 MHz to 6 GHz. An electromagnetic model to solve the electromagnetic reflectance of a snowpack, including the frequency and wetness dependence of the complex relative dielectric permittivity of snow layers, is shown. Using the previous model, an approximated method to calculate the SWE is proposed. The results are presented and compared with those provided by a cosmic-ray neutron SWE gauge over the 2019–2020 winter in the experimental AEMet Formigal-Sarrios test site. This experimental field is located in the Spanish Pyrenees at an elevation of 1800 m a.s.l. The results suggest the viability of the approximate method. Finally, the feasibility of an auxiliary snow height measurement sensor based on a 120 GHz frequency modulated continuous wave (FMCW) radar sensor, is shown.

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