Spectra method for revealing relations between slope and possible sunshine duration in China

Adamu M, Qiu XF, Shi GP et al (2019) High spatial resolution simulation of sunshine duration over the complex terrain of Ghana. Sensors 19(7):1743. https://doi.org/10.3390/s19071743

Ahmadi H, Ahmadi F (2019) Evaluation of sunshine duration and temporal–spatial distribution based on geostatistical methods in Iran. Int J Environ Sci Technol 16(3):1589–1602. https://doi.org/10.1007/s13762-017-1608-4

Ambreen R, Qiu XF, Ahmad I (2011) Distributed modeling of extraterrestrial solar radiation over the rugged terrains of Pakistan. J Mt Sci 8(3):427–436. https://doi.org/10.1007/s11629-011-2004-z

Ambreen R, Ahmad I, Qiu XF et al (2015) Regional and monthly assessment of possible sunshine duration in Pakistan: a geographical approach. J Geogr Inf Syst 7(1):65–70. https://doi.org/10.4236/jgis.2015.71006

Anis MS, Jamil B, Ansari MA et al (2019) Generalized models for estimation of global solar radiation based on sunshine duration and detailed comparison with the existing: a case study for India. Sustainable Energy Technologies and Assessments 31:179–198. https://doi.org/10.1016/j.seta.2018.12.009

Baumgartner DJ, Poetzi W, Freislich H et al (2018) A comparison of long-term parallel measurements of sunshine duration obtained with a Campbell-stokes sunshine recorder and two automated sunshine sensors. Theor Appl Climatol 133(1–2):263–275. https://doi.org/10.1007/s00704-017-2159-9

Bazrafshan J, Heidari N, Moradi I et al (2015) Simultaneous stochastic simulation of monthly mean daily global solar radiation and sunshine duration hours using copulas. J Hydrol Eng 20(4):04014061. https://doi.org/10.1061/(ASCE)HE.1943-5584.0001051

Chen N (2020a) Deriving the slope-mean shielded astronomical solar radiation spectrum and slope-mean possible sunshine duration spectrum over the loess plateau. J Mt Sci 17(1):133–146. https://doi.org/10.1007/s11629-018-5246-1

Chen N (2020b) Scale problem: influence of grid spacing of digital elevation model on computed slope and shielded extra-terrestrial solar radiation. Front Earth Sci 14(1):171–187. https://doi.org/10.1007/s11707-019-0770-z

Chen N, Tang GA, Guo DS et al (2014) Influence of dem orientation on the error of slope calculation. Earth Sci Inf 7(4):277–285. https://doi.org/10.1007/s12145-014-0154-6

Cheng WM, Zhou CH, Li BY et al (2019) Geomorphological regionalization theory system and division methodology of China. Acta Geograph Sin 74(5):839–856. https://doi.org/10.11821/dlxb201905001 (in Chinese)

Davis WM (1899) The geographical cycle. Geogr J 14:481–504. https://doi.org/10.2307/1774538

Er Z, Rouabah Z, Turna IB (2017) A modal study on the estimation of daily global solar radiation from sunshine duration. Acta Physica Polonica A 132(3):1070–1075. https://doi.org/10.12693/APhysPolA.132.1070

Fan JL, Wu LF, Zhang FC et al (2018) Evaluating the effect of air pollution on global and diffuse solar radiation prediction using support vector machine modeling based on sunshine duration and air temperature. Renew Sust Energ Rev 94:732–747. https://doi.org/10.1016/j.rser.2018.06.029

Fan JL, Wu LF, Zhang FC et al (2019) Empirical and machine learning models for predicting daily global solar radiation from sunshine duration: a review and case study in China. Renew Sust Energ Rev 100:186–212. https://doi.org/10.1016/j.rser.2018.10.018

Goni S, Adannou HA, Diop D et al (2019) Long-term variation of sunshine duration and their inter-action with meteorogical parameters over Chad, central africa. Natural Resources 10(3):47–58. https://doi.org/10.4236/nr.2019.103004

Gueclue YS, Yelegen MO, Dabanli I et al (2014) Solar irradiation estimations and comparisons by anfis, angstro¨m-Prescott and dependency models. Sol Energy 109:118–124. https://doi.org/10.1016/j.solener.2014.08.027

He YY, Wang KC, Zhou CL et al (2018) A revisit of global dimming and brightening based on the sunshine duration. Geophys Res Lett 45(9):4281–4289. https://doi.org/10.1029/2018GL077424

Hunter GJ, Goodchild MF (1997) Modeling the uncertainty of slope and aspect estimates derived from spatial databases. Geogr Anal 29(1):35–49. https://doi.org/10.1111/j.1538-4632.1997.tb00944.x

Jhajharia D, Pandey PK, Pandey V, Dabral PP, Choudhary RR, Kumar R, Singh VP (2018) Changes in sunshine duration in humid environments of Agartala (Tripura), India. Climate Change Impacts 82:15–24. https://doi.org/10.1007/978-981-10-5714-4_2

Li ZQ, Weng DM (1988) A computer model for calculating the duration of sunshine in mountainous areas. Science Bulletin 33(19):1624–1627

Li B, Chen F, Liu XM (2017) Sensitivity of the penman-monteith reference evapotranspiration to sunshine duration in the upper mekong river basin. Hydrol Sci J 62(5):830–842. https://doi.org/10.1080/02626667.2016.1243286

Li S, Xiong LY, Tang GA et al (2020) Deep learning-based approach for landform classification from integrated data sources of digital elevation model and imagery. Geomorphology 345:107045. https://doi.org/10.1016/j.geomorph.2020.107045

Lv GN, Xiong LY, Chen M et al (2017) Chinese progress in geomorphometry. J Geogr Sci 27(11):1389–1412. https://doi.org/10.1007/s11442-017-1442-0

Manara V, Beltrano MC, Brunetti M et al (2015) Sunshine duration variability and trends in Italy from homogenized instrumental time series (1936-2013). Journal of geophysical research. Atmospheres 120(9):3622–3641. https://doi.org/10.1002/2014JD022560

Manara V, Brunetti M, Maugeri M et al (2017) Sunshine duration and global radiation trends in Italy (1959–2013): to what extent do they agree? J Geophys Res-Atmos 122(8):4312–4331. https://doi.org/10.1002/2016JD026374

Matuszko D, Węglarczyk S (2015) Relationship between sunshine duration and air temperature and contemporary global warming. Int J Climatol 35(12):3640–3653. https://doi.org/10.1002/joc.4238

Mohammadi K, Shamshirband S, Anisi MH et al (2015) Support vector regression based prediction of global solar radiation on a horizontal surface. Energy Convers Manag 91:433–441. https://doi.org/10.1016/j.enconman.2014.12.015

Neuberger H (2018) Notes on the determination of the effectively possible duration of sunshine. Bull Am Meteorol Soc 26(3):74–75. https://doi.org/10.1175/1520-0477-26.3.74

Qiu XF, Zeng Y, Liu CM et al (2004) Simulation of astronomical solar radiation over yellow river basin based on dem. Chin J Geophys 14(1):63–69. https://doi.org/10.1007/BF02873092

Qiu XF, Zeng Y, Liu SM (2005) Distributed modeling of extraterrestrial solar radiation over rugged terrain. Chin J Geophys 48(5):1028–1033. https://doi.org/10.1002/cjg2.753

Raichijk C (2012) Observed trends in sunshine duration over south america. Int J Climatol 32(5):669–680. https://doi.org/10.1002/joc.2296

Sun CF, Liu Y, Song HM et al (2018) Sunshine duration reconstruction in the southeastern tibetan plateau based on tree-ring width and its relationship to volcanic eruptions. Sci Total Environ 628-629:707–714. https://doi.org/10.1016/j.scitotenv.2018.02.078

Tang GA, Liu XJ, N L G. (2005) Digital elevation model and the theory and methods of geoanalysis. Beijing, Science press, pp 345–355 (in chinese)

Tang GA, Li FY, Liu XJ et al (2008) Research on the slope spectrum of the loess plateau. Science in China Series E: Technological Sciences 51(s1):175–185. https://doi.org/10.1007/s11431-008-5002-9

Tang GA, Song XD, Li FY et al (2015) Slope spectrum critical area and its spatial variation in the loess plateau of China. J Geogr Sci 25(12):1452–1466. https://doi.org/10.1007/s11442-015-1245-0

Tarawneh QY, El Alfy M (2017) Seasonal variation of solar irradiance and sunshine duration in Saudi Arabia. Int J Environ Sci Technol 14(6):1267–1276. https://doi.org/10.1007/s13762-016-1230-x

Tobler WR (1970) A computer movie simulating urban growth in the detroit region. Economic Geography 46(sup1):234–240. https://doi.org/10.2307/143141

Tsekouras G, Koutsoyiannis D (2014) Stochastic analysis and simulation of hydrometeorological processes associated with wind and solar energy. Renew Energy 63(1):624–633. https://doi.org/10.1016/j.renene.2013.10.018

Wang N, Cheng WM, Wang BX et al (2020) Geomorphological regionalization theory system and division methodology of China. J Geogr Sci 30:212–232. https://doi.org/10.1007/s11442-020-1724-9

Xiong LY, Tang GA, Li FY et al (2014) Modeling the evolution of loess-covered landforms in the loess plateau of China using a dem of underground bedrock surface. Geomorphology 209:18–26. https://doi.org/10.1016/j.geomorph.2013.12.009

Xiong LY, Tang GA, Strobl J et al (2016) Paleotopographic controls on loess deposition in the loess plateau of China. Earth Surf Process Landf 41:1155–1168. https://doi.org/10.1002/esp.3883

Zeng Y, Qiu XF, Miao QL et al (2003) Distribution of possible sunshine durations over rugged terrains of China. Progress in Natural Science: Materials International 13(10):761–764. https://doi.org/10.1080/10020070312331344380

Zhou Y, Lei X, Yang F, Li Y, Wang B (2019) Characteristics and influencing factors of proximity distance index on the northern Shaanxi loess plateau in China. J Mt Sci 16(12):2844–2855. https://doi.org/10.1007/s11629-019-5610-9

Zhu HC, Huang W, Liu HY (2018a) Loess terrain segmentation from digital elevation models based on the region growth method. Phys Geogr 39(1):51–66. https://doi.org/10.1080/02723646.2017.1342215

Zhu HC, Zhao YP, Liu HY (2018b) Scale characters analysis for gully structure in the watersheds of loess landforms based on digital elevation models. Frontiers of Earth Science 12(2):431–433. https://doi.org/10.1007/s11707-018-0696-x

Zuo D K, Zhou Y H, Xiang Y Q, et al. 1991. Studies on radiation in the epigeosphere. Beijing, China, science press. Pages: 68 (in Chinese)