Reasons for high solar radiation in China
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Inter-decadal surface solar radiation (SSR) changes are closely related to climate change, such as global or regional warming, glacial melting, hydrological and carbon cycles, anthropogenic emissions of greenhouse gases and aerosols etc. Attributing the SSR trends is important for understanding these processes, however, the relative importance of …
Anthropogenic aerosols dominated the decreased solar radiation …
Inter-decadal surface solar radiation (SSR) changes are closely related to climate change, such as global or regional warming, glacial melting, hydrological and carbon cycles, anthropogenic emissions of greenhouse gases and aerosols etc. Attributing the SSR trends is important for understanding these processes, however, the relative importance of …
The effect of solar radiation change on the maize yield gap from …
The uneven distribution of solar radiation is one of the main reasons for the variations in the yield gap between different regions in China and other countries of the world.
Country-level evaluation of solar radiation data sets using ground ...
Solar radiation is one of the main variables that determine the Earth''s energy balance to affect the weather and climate [1], and it includes direct and diffuse radiation components.Solar radiation is important in agriculture, ecology, energy, and architecture [2, 3].Photovoltaic applications such as solar power generation and photo-thermal based on solar …
Primary Study on Regional Characteristics of Solar Radiation in China ...
By using the data of global radiation,direct radiation and scatter radiation from 112 stations,and cloud cover from 729 stations in China during 1961 to 2000, the inter-decadal anomaly spatial distribution and change were analyzed.Based on the value of global radiation,we divided whole China into 5 radiation areas,and then analyzed their variation characteristics of solar …
Direct normal solar radiation in China. (Note: This map was …
In 1950, the former Soviet Union designed the world''s first small tower solar thermal power test station, and carried out basic exploration and research on solar thermal power generation ...
Variability in Direct and Diffuse Solar Radiation Across China …
Long‐term variability of direct and diffuse solar radiation (Rdir and Rdif) is essential for climate change study. However, Rdir and Rdif observations suffer from low spatiotemporal coverage and inhomogeneity. This study improved hybrid models to calculate Rdir and Rdif from sunshine duration and meteorological data at ~2,000 stations from 1958 to 2017 …
Correlations between PM2.5 and Ozone over China and …
We investigated the spatial-temporal characteristics of the correlations between observed PM2.5 and O3 over China at a national-scale level, and examined the underlying reasons for the varying PM2.5–O3 correlations by using a chemical transport model. The PM2.5 concentrations were positively correlated with O3 concentrations for most regions and seasons …
Long-term variations of surface solar radiation in China from …
The high AOD in NC, NEC, and NWC can intensify the absorption of solar radiation by the atmosphere, offsetting the effect of high downward shortwave radiation on water loss to some extent (Yang et ...
Causes of "dimming" and "brightening" in China inferred from ...
This paper presents a study on long-term surface solar radiation (SSR) changes over China under clear- and all-sky conditions and analyzes the causes of the "dimming" and "brightening."
Air pollutant concentration trends in China: correlations …
modies surface solar radiation (SSR) through direct radiative forcing (scattering and absorption of solar radiation), thereby contributing to climate change (Fiore et al. 2012) and damaging ecosystems (Guo et al. 2017). O 3 is another major pollutant that causes both environ-mental and health concerns. Its vertical distribution diers
Analysis of 40 years of solar radiation data from China, …
[1] Trends in Chinese global radiation, direct horizontal radiation, diffuse radiation, clearness index, diffuse fraction and percentage of possible sunshine duration for the period 1961–2000 were evaluated based on data for daily surface solar radiation and monthly sunshine duration. Annual means for all six variables were calculated for each station and for …
Interactive comment on "Ozone formation under low solar …
low solar radiation in eastern China" by Xuexi Tie et al. Anonymous Referee #1 Received and published: 6 June 2019 This study could be a very meaningful work. The paper addressed the relevant scien-tific questions within the scope of ACP. This manuscript studied the possible reasons enhancing the ozone formation under high PM2.5 concentrations.
Variability in Direct and Diffuse Solar Radiation Across China …
This study improved methods to better estimate surface direct (R dir) and diffuse (R dif) solar radiation from sunshine duration in ChinaThis study identified a spurious steeper downtrend in the observed R dir in China from 1958 to 1989, implying an overestimation of global dimming; R dir decreases by −3.52 W m −2 per decade, and R dif increases by 0.84 W m −2 …
Daily Global Solar Radiation in China Estimated From High…
Spatial distribution of the 97 solar radiation observation stations (red squares) and 2379 China Meteorological Administration stations (black dots).
Potential Driving Factors on Surface Solar Radiation Trends …
Remote Sens. 2021, 13, 704 2 of 20 1980s and recovering thereafter, popularly known as "global dimming" and "brighten-ing" [2–5]. Many efforts have been made to explore the reasons for ...
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 …
Changes in atmospheric shortwave absorption as important …
Changes in the atmospheric absorption of shortwave radiation, probably through cloud and aerosol effects, is the main reason for the dimming and brightening over China and Europe in past decades ...
Determining Factors of Monthly to Decadal Variability in Surface Solar ...
1 Introduction. Surface incident solar radiation (R s) is a key component of the surface energy budget drives the global climate system and the hydrological and carbon cycles (C.Dorno, 1920; Roderick & Farquhar, 2002; Sedlar, 2018; Sellers et al., 1990; Wang et al., 2017).Widespread solar radiation measurements have shown that R s has significant decadal …
Innovative trend analysis of solar radiation in China during …
The main objectives of this study are: (1) to apply three different trend analysis methods to study the variation trends of solar radiation across China; (2) to analyze the long-term variation trends of solar radiation in China and discuss its possible reasons; (3) to compare and evaluate the differences, similarities and advantages of LRA, M-K ...
Causes of the sharp increase in the time series of surface solar ...
Causes of the sharp increase in the time series of surface solar radiation in China between 1990 and 1993 Yawen Wang; Yawen Wang a) 1 Institute for Atmospheric and Climate Science, ETH Zurich ... Yawen Wang, Martin Wild; Causes of the sharp increase in the time series of surface solar radiation in China between 1990 and 1993. AIP Conf. Proc. 22 ...
Hourly 5-km surface total and diffuse solar radiation in China, …
Surface solar radiation is an indispensable parameter for numerical models, and the diffuse component contributes to the carbon uptake in ecosystems. We generated a 12-year (2007–2018) hourly ...
Decadal variability of surface incident solar radiation over China ...
Existing studies have shown that observed surface incident solar radiation (R s) over China may have important inhomogeneity issues.This study provides metadata and reference data to homogenize observed R s, from which the decadal variability of R s over China can be accurately derived. From 1958 to 1990, diffuse solar radiation (R sdif) and direct solar …
Regional impacts of solar radiation modification on surface …
Solar radiation modification (SRM) has been proposed to temporarily reduce anthropogenic warming. This study presents an assessment of the regional impacts of SRM via solar dimming and ...
Assessment of solar radiation resource and photovoltaic power …
To this end, this study aims to provide an accurate and reliable strategy to address the current sparse coverage of solar radiation measurements in China, as well as to …
Daily Global Solar Radiation in China Estimated From …
The geographical distributions of R values, root-mean-square error, and mean bias values indicate that the RF model has high predictive performance in estimating DGSR …
Daily Global Solar Radiation in China Estimated From …
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 …
Daily Global Solar Radiation in China Estimated From High…
In summary, the present work has built an RF modeling framework for estimating high-density DGSR at the national level in China, implying that high-resolution DGSR data can be made available to effectively evaluate the long-term change and trend of solar radiation, and their causes, which will be reported separately in a future publication.
Assessment of solar radiation resource and photovoltaic power …
Due to the reasons outlined above, studies focusing on China''s solar radiation resources and solar energy potential based on observational data tend to be restricted to a limited spatial and temporal horizon, which may introduce significant uncertainties in the results. ... The annual mean global solar radiation in China from 1961 to 2016 was ...
Spatial and temporal characteristics of surface solar …
To help address this shortcoming, we utilized total-sky direct solar radiation data derived from ERA5 reanalysis for the period 1961–2020 to 1) analyze the spatial and temporal distribution characteristics of solar radiation …
Potential Driving Factors on Surface Solar Radiation Trends over …
The annual mean surface solar radiation (SSR) trends under all-sky, clear-sky, all-sky-no-aerosol, and clear-sky-no-aerosol conditions as well as their possible causes are …
Long-term variations in solar radiation, diffuse radiation, and …
The effects of atmospheric aerosols on the terrestrial climate system are more regional than those of greenhouse gases, which are more global. Thus, it is necessary to examine the typical regional effects of how aerosols affect solar radiation in order to develop a more comprehensive understanding. In this study, we used global AErosol RObotic NETwork …
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Abstract. The lack of long-term and high-quality solar radiation data has been an obstacle for scientific and industrial fields. In this study, a dense station-based, long-term and high-accuracy dataset of daily surface solar radiation was developed using two surface radiation models. One is the model developed by Yang et al. (2006) for global radiation estimation, and the other is …
Solar and wind power data from the Chinese State Grid ...
Solar radiation information is an indispensable parameter in analyzing solar generation. Jiang et al . presented a twelve-year (2007–2018) hourly dataset with 5-km resolution of surface and ...
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.
Solar Brightening/Dimming over China''s Mainland: Effects of
Remote sensing can provide SSR products with high spatio-temporal continuity covering China, for example, the Global Energy and Water Cycle Experiment Surface Radiation Budget …