(PDF) Solar Radiation Prediction Using
Solar radiation is the Earth''s primary source of energy and has an important role in the surface radiation balance, hydrological cycles, vegetation photosynthesis, and weather
Variation and spatial distribution of surface solar
The surface solar radiation in Eastern China, Central China and part of North China decreased even more sharply than west of China. Thicker aerosol optical depth was with larger trend of the surface solar radiation
Correct and remap solar radiation and photovoltaic power in China
The average surface solar radiation (SSR) series over China in 1971–2016 derived from the SSR data at 56 stations analyzed in this study. The aging equipment (1971–1989), replacement instrument (1990–1993) and without human interference (1994–2016) periods are represented by red, blue and black lines, respectively. (Table. 1 and
Two-stage estimation of hourly diffuse solar radiation across China
Diffuse solar radiation (DR) is a crucial element of total solar radiation (TR), deviating from the original solar radiation direction and reaching the ground after scattering or reflection by air molecules and atmospheric particles (Chen et al., 2019).Spatially continuous and high-temporal-resolution DR data hold significant socioeconomic and scientific value.
Optimizing solar photovoltaic plant siting in Liangshan Prefecture
The urgent global focus on renewable energy underscores the necessity of shift towards renewable energy sources like solar and wind power [1].Solar photovoltaic (PV) energy is expected to surpass coal capacity by 2027 due to its cost-effectiveness [2], [3], making it pivotal in this transition ina''s pledge to carbon peaking by 2030 and carbon neutrality by
Evaluation of the simulation performance of WRF-Solar for a
In recent years, China has experienced a significant surge in the utilization of solar energy, and this trend is projected to continue as the country strives to achieve its "dual carbon" goals, which refers to the objectives of peaking carbon dioxide emissions before 2030 and achieving carbon neutrality by 2060 (Xiao et al., 2022).Accurate simulation and prediction
High-resolution assessment of solar radiation and energy potential in China
Global solar radiation (R s) is a key parameter for determining the energy yields of solar photovoltaic (PV) systems.However, long-term R s data are not available in most regions of China, impeding the management and development of PV systems. In this study, a novel model for estimating R s was developed and coupled with a PV power model and inverse distance
Improving Solar Radiation Forecasting in Cloudy Conditions by
Solar radiation forecasting is the basis of building a robust solar power system. Most ground-based forecasting methods are unable to consider the impact of cloud changes on future solar radiation. To alleviate this limitation, this study develops a hybrid network which relies on a convolutional neural network to extract cloud motion patterns from time series of satellite
Solar radiation trend across China in recent decades: a revisit
ation over China. A preliminary study of the solar radiation data collected at three observation stations in the Yangtze River Delta Region was done by Zhang et al. (2004), and a decreasing trend of surface solar radiation was found be-tween 1961 and 2000. Che et al. (2005) analyzed the vari-ations in annual mean solar radiation data collected
Trend of surface solar radiation over China in relation to changing
A comprehensive understanding of the relationship between atmospheric circulations and variations in surface solar radiation (SSR) is important for effectively utilizing
Characteristics of solar radiation at Xiaotang, in the northern
Che et al. (2005) evaluated China''s solar radiation data from 1961 to 2000; they found that the total radiation had decreased significantly (4.5 W m −2 per decade), According to the ground observation records (Table 2), the rainfall at the Xiaotang area is mainly concentrated in summer, with a total of 37 days. The occurrence of
Constructing High-Resolution (10 km) Daily
The diffuse solar radiation values in China range from 59.13 to 104.65 Wm−2, with a multi-year average value of 79.39 Wm−2 from 1982 to 2020. Generally, low latitude and
Assessing China''s solar power potential: Uncertainty
Solar cell efficiency (%) (refer to Table S2) 16.19: 24.4: Note: CAS: Chinese Academy of Sciences. The solar radiation varies widely across China, with the highest levels in Southwest China, especially the Tibetan Plateau, while the lowest radiation is observed over Northeast and Central China. Anthropogenic aerosols and other air
Mapping of 10-km daily diffuse solar radiation across China
This long-term dataset is suitable for a better understanding of the spatial and temporal variations in diffuse solar radiation across China, and for further evaluations of
Empirical models for estimating monthly global solar radiation: a
Chongqing 401331, China Abstract: Global solar radiation is a core component of scientific research and engineering application across a broad spectrum. However, its measurement is limited by a small number of observation stations due to the technical and financial restricts. Estimating solar radiation
Analysis of 40 years of solar radiation data from China, 1961–2000
[1] Trends in Chinese global radiation, direct horizontal radiation, diffuse radiation, clearness index, diffuse fraction and percentage of possible sunshine duration for
A Temperature-Based Model for Estimating Monthly Average
Hence, the new model can be recommended for estimating solar radiation in areas where only air temperature data are available in China. 1. Introduction. Solar radiation data are essential for designing solar energy devices. However, the measurement of solar radiation is not easily available due to the cost and techniques involved . The limited
Air pollutant concentration trends in China: correlations between solar
Atmospheric pollution by fine particulate matter (PM2.5) and ozone (O3) is a serious concern in China for its danger to human health and to the environment. As such, it has become, since 2013, the target of governmental emission reduction policies. Subsequently, PM2.5 concentrations in China have decreased rapidly, but surface O3 concentration is still
Relationship between process of sap flow of P.tabulaeformis and solar
Relationship between process of sap flow of P.tabulaeformis and solar radiation: Xu Junliang 1,Ma Lüyi 1,Yan Haiping 2: 1 llege of Resources and Environment,Beijing Forestry University,100083; (2 ijing Xishan Forest Farm,100091: Beijing,China
Daily Global Solar Radiation in China
The data set contains daily mean global solar radiation, diffuse solar radiation, and horizontal direct solar
Evaluation of Reanalysis Surface Incident Solar Radiation Data in China
Introduction. Surface incident solar radiation (R s) is the basic energy of biological, physical and chemical processes, and the essential input parameters of biological physics models and hydrological simulation mathematical models 1, 2.Ground-based stations provide the best estimate of R s, but it is still insufficient for estimation in remote areas,
Air pollutant concentration trends in China:
Download Citation | Air pollutant concentration trends in China: correlations between solar radiation, PM2.5, and O3 | Atmospheric pollution by fine particulate matter (PM2.5) and ozone (O3) is a
Solar power in China
China is the largest market in the world for both photovoltaics and solar thermal energy ina''s photovoltaic industry began by making panels for satellites, and transitioned to the manufacture of domestic panels in the late 1990s. [1] After
A New Long-Term Downward Surface Solar Radiation Dataset over China
Table 3. Variable importance measure. Variable Importance Variable Importance; Sunshine duration: 0.47: Elevation: 0.04: Cosine of the radian difference Xu M. More frequent cloud-free sky and less surface solar radiation in China from 1955 to 2000. Geophys. Res. Lett. 2006;33 doi: 10.1029/2005GL024586. [Google Scholar] 31. Xia X. A closer
Vectorized solar photovoltaic installation dataset across China in
The amount of solar radiation reaching the surface of the Earth in China in the year 2020 is displayed in Fig. 1. It can be observed that solar radiation is quite abundant in western parts of China.
Improving Solar Radiation Prediction in China: A Stacking Model
Solar radiation is an important energy source, and accurately predicting it [daily global and diffuse solar radiation (Rs and Rd)] is essential for research on surface energy exchange, hydrologic systems, and agricultural production. However, Rs and Rd estimation relies on meteorological data and related model parameters, which leads to inaccuracy in some
Temporal Evolution, Oscillation and
The majority of the energy required for human survival is derived either directly or indirectly from solar radiation, thus it is important to investigate the periodic fluctuations in
Hierarchical identification of solar radiation zones in China
Solar radiation zones serve as guidelines for the assessment, investment, and policymaking for solar energy utilization. Most zoning methods of cluster analysis depend on discrete measurements at solar and meteorological stations (usually sparsely and unevenly distributed); thus, the zone boundaries are empirically determined by artificial delineation,
Improving maize grain yield by matching maize growth and solar radiation
As shown in Table 2, the average temperature at Yinchuan was higher than at Qitai, while solar radiation was lower. Table which is consistent with the distribution of solar radiation in China 14, 36. In this study, maize plots were subjected to different degrees of shading that simulated different degrees of solar radiation in different
Online map of annual total solar radiation in China
The total annual radiation in China ranges from 3300 to 8300 MJ/m2. The 6000 MJ/ (m2·year) isoline slopes from the western foot of the Greater Xing''an Mountains to the
Optimization of tilt angle for PV in China with long-term hourly
Lu et al. [28] evaluated the monthly anomaly of ERA5 solar radiation using ground measurements from 716 weather stations across China from 1961 to 2019 and found that the temporal evolution of the monthly ERA5 solar radiation is highly consistent with the ground truth in China, with a correlation coefficient of 0.87. These previous studies, through long-term
Solar Radiation Climatology Calculation in China
The Angstrom-Prescott formula is commonly used in climatological calculation methods of solar radiation simulation. Fitting the coefficients is carried out using linear regression and in recent years it has been found that these coefficients
Mapping of 10-km daily diffuse solar radiation across China from
Details on the reanalysis data used in this study are given in Table H., Lu, N., Qin, J. & Yao, L. Hourly 5-km surface total and diffuse solar radiation in China, 2007–2018. Sci. Data 7
Solar radiation trend in China
mean solar radiation data collected at 64 radiation stations for the period from 1961 to 2000. Liang and Xia (2005) did a similar study only with the data at 42 first-class 25 stations recognized by the CMA. Both studies indicated that there is a decreasing trend of solar radiation in China before the 1990s but it does not persist thereafter
Variation of surface solar radiation components from 2016 to 2020
This study aids in understanding China''s solar radiation variations, crucial for shaping effective energy policies towards carbon neutrality.
Daily surface solar radiation across China estimated from high
This dataset contains two data products, site data (Daily Site SSR) and grid point data (Daily Grid SSR). Daily Site SSR: Introduces a high-precision estimation model that
Solar radiation zoning and daily global radiation models for
Solar radiation determines the Earth''s energy balance and it is a key factor that affects weather and climate, thereby having crucial roles in many fields (e.g., agriculture, ecology, energy, and architecture) [1], [2], [3] architecture, daily global solar radiation (H) data are indispensable for estimating the energy consumption by buildings and for evaluating indoor
6 FAQs about [China Solar Radiation Table]
How many solar radiation stations are there in China?
For daily direct horizontal and diffuse radiation, we used data collected from 64 of the stations between 1961 to 1990 because of these only 17 stations remained in operation for the collection of daily direct and diffuse radiation data after the adjustment of solar radiation measurement network in China starting 1991.
What is the average solar radiation intensity in China?
Figures 9 a and 9 b show that the annual average DGSR ranges from 6 to 26 MJ/m 2, with a national-average value of 15.55 MJ/m 2 during 2013–2014. Spatial differences are evident across China, indicating that the solar radiation intensity in northern China (western China) is higher than that in southern China (eastern China).
Is solar radiation a topic in China?
Therefore, solar radiation is a topic that has attracted broad and increasing attention in China (Che et al., 2005; Sun et al., 2016; Li et al., 2017; Wang et al., 2016; Song et al., 2019; Tang et al., 2016, 2018; Liu et al., 2019; He & Wang et al., 2020).
When did solar radiation change in China?
Li et al. analyzed averaged annual daily departures in solar radiation from 1976 to 1990 at 55 stations in China while Zhang et al. studied changes in solar radiation between 1961 and 2000 at three Chinese stations in the Yangtze Delta Region.
Are solar energy resources a potential resource in China?
In addition, the potential of solar energy resources was also assessed using cluster analysis method. The results revealed an upward trend in different components of solar radiation across most of China, with shortwave radiation exhibiting a significantly negative correlation with PM 2.5 concentrations (R = −0.91, p < 0.05).
What are the Interannual trends of diffuse solar irradiation in China?
Over China, the interannual trends of DSR from 1982 to 2020 are depicted in Fig. 8. Overall, the mean annual diffuse solar irradiation varied from 72.3 to 81.8 W m −2, exhibiting an overall decreasing trend of −0.012 W m −2 yr −1. More specifically, the figure delineates five periods with characteristic trends.