interception and energy storage
Rainfall interception and the coupled surface water and energy …
The available energy A is given by (all in W m −2): (2) A = R n − G − Q where R n is net all-wave radiation, G is the ground heat flux and Q is the sum of all minor energy sources and sinks, including any change in heat storage in the canopy air, Q a, and in the biomass, Q v, as well as energy used for photosynthesis and produced by other ...
Evaporation, Transpiration, Interception and Depression Storage ...
This document discusses several hydrologic processes: evaporation, transpiration, interception, and depression storage. Evaporation returns water to the atmosphere from various surfaces, requiring energy. Transpiration is evaporation from plant leaves. Interception is when water is captured on vegetation during rainfall. Depression storage …
Hydrologic sciences
Interception. When precipitation reaches the surface in vegetated areas, a certain percentage of it is retained on or intercepted by the vegetation. Rainfall that is not intercepted is referred to as throughfall. Water that reaches the ground via the trunks and stems of the vegetation is called stemflow. The interception storage capacities of ...
The importance of canopy structure in controlling the interception …
The canopy water storage capacity (S), direct throughfall fraction (p), the ratio of evaporation to rainfall intensity (E ¯ / R ¯) and interception loss (I n), of a Douglas-fir forest are influenced by short (seasonal) and long-term …
Journal of Energy Storage
1. Introduction. With the enormous consumption of traditional fossil energy, the arising energy crisis and environment pollution issues have attracted the attention of the international community [1], [2], [3] veloping new-generation rechargeable batteries with high energy density is expected to be a prospective solution towards these …
Numerical calculation of the intercept factor for parabolic trough ...
Introduction. The most complex parameter involved in determining the optical efficiency of a parabolic trough solar collector is the intercept factor [1], which is defined as the ratio of the energy intercepted by the receiver to the energy reflected by the focusing device, that is, the parabola.
Journal of Energy Storage
Free-standing graphene/polyetherimide/ZrO 2 porous interlayer to enhance lithium-ion transport and polysulfide interception for lithium-sulfur batteries. Author links open overlay panel Jiuqing Liu, Fanli Zeng, Zikun Hong, ... Energy Storage Mater., 43 (2021), pp. 143-157, 10.1016/j.ensm.2021.08.046. View PDF View article Google …
Key Questions on the Evaporation and Transport of Intercepted ...
Canopy storage remains one of the most elusive quantities in canopy interception (Chap. 2).Canopy storage estimates can contrast substantially depending on whether they are based on whole-canopy measurements, top-down inference from throughfall-precipitation differences, or bottom-up scaling of direct storage …
Rainfall interception by bracken litter
These figures are of a similar order of magnitude to the litter interception storage figures of Dabral et al., (1963) and Pradham (1973) of 1.30 + 0.32 mm kg 1 m- 2 Interception of rainfall by bracken fronds and bracken litter can therefore be envisaged as a two stage process, with rainfall < 0.5mm being wholly intercepted by the upper layer of ...
Simulation of interception capacity of Nanhe initial rain storage …
The results show that after intercepting the initial rainwater, the pollutants into the river are significantly reduced, and the lower the frequency is, the better the interception effect of the storage tank on the initial rainwater is. Comprehensive analysis shows that the overall removal rate of pollutants in each frequency of the four ...
Water storage and evaporation as constituents of rainfall interception …
So, the concept of storage implies a distinction of interception ( I) into evaporation during rain ( Et) and evaporation after rain, which equals water storage at the end of the rain event ( Ce ): I=C e +Et. The subscript `e'' denotes the value at the end of an event. Interception and storage are given in mm, and the evaporation rate E in mm h ...
Application research on large-scale battery energy storage …
Battery energy storage station, by virtue of their swift response, can quickly absorb or release electricity to achieve complete power balance in emergent situations. When power failure occurs due to system breakdown, battery energy storage station can transmit power to the key load of the local grid, to prevent losses due to …
Modeling canopy interception under drought conditions: The …
The mean individual interception loss percentage for H. ammodendron (28.4%) was significantly higher than that for C. mongolicum (11.0%) and N. sphaerocarpa (10.9%) (p < 0.05), which could be ascribed to the higher canopy storage capacity and wet-canopy evaporation rate of H. ammodendron. For all shrub species, the majority …
Rainfall interception and evaporation from soil below a wheat …
Miniature lysimeters were used to measure evaporation from soil below the canopy, Evaporation of intercepted rain was calculated using an aerodynamic technique in conjunction with a canopy storage coefficient. Detailed measurements of soil evaporation and rainfall interception commenced 80 days after sowing (DAS), when L ~ 1, until 165 …
Rainfall interception and the coupled surface water and energy …
Accounting for these factors leads to E estimates and modelled interception losses that are considerably higher. On the other hand, canopy water budget measurements can lead to overestimates of E due to spatial sampling errors in throughfall and stemflow, underestimation of canopy rainfall storage capacity, and incorrect calculation of rainfall …
Toolkit and Guidance for the Interconnection of Energy Storage …
Energy storage systems (storage or ESS) are crucial to enabling the transition to a clean energy economy and a low-carbon grid. Storage is unique from other types of distributed energy resources (DERs) in several respects that present both challenges and opportunities in how storage systems are interconnected and operated. …
Effects of leaf type, litter mass and rainfall characteristics on the ...
(1) The interception process of litter can be divided into three phases: the wetting phase, the saturation phase, and the postrainfall drainage phase. The first phase of which arrived approximately 95% of the maximum interception storage (C max) and the duration was longer in broadleaf species than in coniferous species. This phase was ...
Rainfall interception and the coupled surface water and energy …
Less commonly, interception has been estimated by comparing rainfall inputs to changes in total water storage in a column of soil with trees (Dunin et al., 1988). More often than not, the different methods produce results that are difficult to explain in terms of the energy balance, in that inferred E exceeds E PM by a factor of two or more ...
Increased Interception Induced by Vegetation Restoration …
where is the interception threshold, is the daily interception storage capacity (mm·d −1), is the interception storage capacity specific to a land cover type (mm·d −1), is the daily potential evaporation (mm·d −1), is leaf area index (m 2 ·m −2), is a scaling factor, is the expected number of rain days per month, is the number of ...
Free-standing graphene/polyetherimide/ZrO2 porous interlayer to enhance lithium-ion transport and polysulfide interception …
Free-standing graphene/polyetherimide/ZrO2 porous interlayer to enhance lithium-ion transport and polysulfide interception for lithium-sulfur Journal of Energy Storage ( IF 9.4) Pub Date : 2023-04 Jiuqing Liu, Fanli Zeng, Zikun Hong, Junying He, Qihou Li, Feifei Song, Lishun Bai, Chen Cheng, Zehao Chen, Liandong Tang, Chen Duan, Zhirong Chen
A review of solar collectors and thermal energy storage in solar ...
Solar collectors and thermal energy storage components are the two kernel subsystems in solar thermal applications. Solar collectors need to have good optical performance (absorbing as much heat as possible) [3], whilst the thermal storage subsystems require high thermal storage density (small volume and low construction …
Canopy interception
Canopy interception is the rainfall that is intercepted by the canopy of a tree and successively evaporates from the leaves. Precipitation that is not intercepted will fall as throughfall or stemflow on the forest floor. Many methods exist to measure canopy interception. The most often used method is by measuring rainfall above the canopy and ...
Exploring the interaction between renewables and energy storage …
In this study, we aim to answer two overarching questions: (i) What is the optimal portfolios of renewables and energy storage considering the complete two-way interaction between renewables and energy storage? (ii) How do the optimal portfolios vary over time at different stages of the low-carbon transition?
Detecting rainfall interception in an Amazonian rain forest with …
The mean interception for all events in the study (daytime and nocturnal) was 11.6%, comparable to some recent conventional studies in this region. We found an approximately 15% increase of evaporative fraction on the rain days as compared to dry baseline days, with the energy being supplied by a corresponding decrease in the …
Canopy Storage Implications on Interception Loss Modeling
A rainfall interception methodology was implemented in a deciduous Ficus benjamina (L.) tree to evaluate the interception loss, as well as the dynamics on canopy storage capacity (S) and free through fall (ρ). Measurements of gross precipitation (Pg), through fall and meteorological data were recorded every 5 minutes. Nineteen …
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