Redirigiendo al acceso original de articulo en 23 segundos...
Inicio  /  Water  /  Vol: 9 Núm: 10 Par: 0 (2017)  /  Artículo
ARTÍCULO
TITULO

Land?Atmosphere Exchange of Water and Heat in the Arid Mountainous Grasslands of Central Asia during the Growing Season

Xiaotao Huang    
Geping Luo    
Xinxin Wang    

Resumen

Arid grassland ecosystems are widely distributed across Central Asia. However, there is a lack of research and observations of the land?atmosphere exchange of water and heat in the arid grasslands in this region, particularly over complex surfaces. In this study, systematic observations were conducted from 2013 to 2015 using an HL20 Bowen ratio and TDR300 and WatchDog1400 systems to determine the characteristics of these processes during the growing season (April?October) of the arid mountainous grasslands of this region. (1) The latent heat flux (Le) was lower than the sensible heat flux (He) overall, and a small transient decrease in Le was observed before its daytime maximum; daily comparative variations in both fluxes were closely related to vegetation growth. (2) Evapotranspiration (ET) showed substantial variation across different years, seasons and months, and monthly variations in ET were closely related to vegetation growth. Water condensation (Q) was low and relatively stable. Relatively high levels of soil water were measured in spring followed by a decreasing trend. The land?atmosphere exchange of water and heat during the growing season in this region was closely associated with phenology, available precipitation and terrain. This study provides data support for the scientific management of arid mountainous grasslands.

 Artículos similares

       
 
Oanamari Daniela Orbulet, Cristina Modrogan and Cristina-Ileana Covaliu-Mierla    
The objective of this study was to explore the removal of nitrate ions from groundwater by employing dynamic permeable reactive barriers (PRBs) with A400-nZVI. This research aimed to determine the parameters of the barrier and evaluate its overall capaci... ver más
Revista: Water

 
Kun Yuan, Rui Wang, Bo He, Guowei Fu, Yanwei Song, Lixin Pei, Shichao Fan and Fangyi Gao    
Lagoons, significant coastal wetlands, stand out for their vital role in the cycles and transformations of phosphorus. However, the relationship between the spatial distributions of various phosphorus forms in the soil and sediments of lagoon areas remai... ver más

 
Jun Wang, Bo Yang, Bingchen Liang, Zai-Jin You, Zhenlu Wang and Zhaowei Wang    
In this study, laboratory experiments were conducted to investigate the influence of changes in storm wave height and water level on beach response in a medium-scale wave flume. A schematic storm was simulated (rising, apex, and waning phases). A non-int... ver más

 
Dámaris Núñez-Gómez, Pilar Legua, Vicente Lidón, Agustín Conesa, Juan José Martínez-Nicolás and Pablo Melgarejo    
With a progressively decreasing availability of water for irrigation, the utilization of lower agronomic quality water sources is becoming more prevalent. Compounds such as sodium and boron, due to their impact on crop development and production, are gai... ver más
Revista: Applied Sciences

 
M. Otero, L. Freire, S. Gómez-Cuervo and C. Ávila    
Elevated ammonium (NH4+) concentrations in untreated waterways contribute to eutrophication and dissolved oxygen depletion. Geopolymer (GP) materials are introduced as sustainable, straightforward operation and low-cost option for pollutant adsorption th... ver más