ـ دانشور وثوقی، فرناز و دینپژوه، یعقوب (1391). «بررسی روند تغییرات کیفیت آب زیر زمینی دشت اردبیل با استفاده از روش اسپیرمن»، محیطشناسی، جلد 38، شماره 4 صفحات 28-17.
ـ میرعباسی نجفآبادی، رسول و دینپژوه، یعقوب (1389). «تحلیل روند تغییرات جریان آب رودخانههای شمال غرب ایران در سه دهه اخیر»، مجله آب و خاک، دانشکده کشاورزی دانشگاه فردوسی مشهد، 24(4)صص 768-757.
ـ میرموسوی، سیدحسین (1387)، «مطالعه نوسانات دما و بارش سالانه در منطقه شمال غرب ایران»، پژوهشهای جغرافیای طبیعی، شماره 66 صص 100-87.
-Bouza-Deaňo, R., Ternero-Rodriguez, M., Fernãndez-Espinosa, A.J. (2008), “Trend study and assessment of surface water quality in the EbroRiver (Spain)”, Journal of Hydrology, 361, 227-239.
-Birsan, M.V., Molnar, P., Burlando, P. and M. Bfoundler. (2005), “Streamflow trends in Switzerland”, Journal of Hydrology, 314: 312-329.
-Chang, H. (2008), “Spatial analysis of water quality trends in the HanRiver basin”, South Korea, Water Research, 42: 3285-3304
-Dinpashoh, Y., Jhajharia, D., Fakheri-Fard, A., Singh, V.P. & E. Kahya. (2011), “Trends in reference evapotranspiration over Iran”, Journal of Hydrology, 399: 422-433.
-Dinpashoh, Y., Mirabbasi, R., Jhajharia, D., Zare Abianeh, H. & A. Mostafaeipour (2014), “Effect of Short-Term and Long-Term Persistence on Identification of Temporal Trends”, Journal of Hydrologic Engineering, 19(3): 617-625.
-Dixon, H., Lawler, D.M. & A.Y. Shamseldin. (2006), “Streamflow trends in western Britain, Geophysical Research Letters, 33: L19406. doi:10.1029/2006GL027325
-Douglas, E.M. Vogel, R.M. & C.N. Kroll (2000), “Trends in floods and low flows in the United States: impact of spatial correlation”, Journal of Hydrology, 240: 90-105
-Ghahraman, B. & S. Taghvaeian. (2008), “Investigation of annual rainfall trends in Iran”, Journal of Agricultural Science and Technology, 10: 93-97
-Georgiyevsky, V.Y., Yezhov, A.V., Shalygin, A.L. Shiklomanov, A.I. & I.A. Shiklomanov (1996), “Evaluation of possible climate change impact on hydrological regime and water resources of the former USSR rivers”, Russian Meteorology and Hydrology, 11: 89-99
-Hamed, K.H. & R. Rao. (1998). “A modified Mann-Kendall trend test for auto-correlated data”, Journal of Hydrology, 204:182-196
-Jhajharia, D., Dinpashoh, Y., Kahya, E., Choudhary R.R. Singh V.P. (2014), Trends in temperature over Godavari River basin in Southern Peninsular India, International Journal of Climatology, 34: 1369-1384.
-Hirsch, R.M., Slack, J.R., Smith, R.A., (1982) “Techniques of trend analysis for monthly water quality data”, Water Resour. Res. 18 (1), 107-121.
-Kahya, E., & S. Kalayci. (2004). “Trend analysis of stream flow in Turkey”, Journal of Hydrology, 289: 128-144
Kendall, M.G. (1975), “Rank Correlation Methods”, 4th edn. Charles Griffin”, London. 202 p.
-Khaliq, M.N. Ouarda, T.B.M.J. & P. Gachon. (2009). “Identification of temporal trends in annual and seasonal low flows occurring in Canadian rivers: The effect of short- and long-term persistene”, Journal of Hydrology, 369: 183–197
-Kumar, S., Merwade, V. Kam, J. & K. Thurner. (2009), “Streamflow trends in Indiana: Effects of long term persistence, precipitation and subsurface drains”, Journal of Hydrology, 374(1-2): 171-183
-Lettenmaier, D.P., Wood, E.F. & J.R. Wallis (1994), “Hydro-climatological trends in the continental United States”, 1948-88, Journal of Climate, 7: 586-607
-Lins, H.F. & J.R. Slack. (2005), “Seasonal and regional characteristics of US streamflow trends in the United States from 1940 to 1999, Physical Geography, 26 (6): 489-501.
-Mann, H.B. (1945), “Non-parameteric tests against trend”, Econometrica, 33: 245-259.
-Marofi, S. & Merianji, Z. (2007), “Stream water quality in the western regions of Iran”, African Journal of Biotechnology, 6 (14): 1728-1731
-Masih, I. Uhlenbrook, S. & V. Smakhtin. (2011), “Streamflow trends and climate linkages in the Zagros Mountains, Iran, Climate Change, 104: 317-338
-Onojaki, M.C., Ukerun, S.O. & Iwuoha, G. (2011), “A Statistical Approach for Evaluation of the Effects of Industrial and Municipal Wastes onWarri Rivers, Niger Delta, Nigeria”, Water Qual Expo Health, (2011) 3:91–99.
-Panda, D.K., Mishra, A., Jena, S.K., James, B.K. & A. Kumar (2007), “The influence of drought and anthropogenic effects on groundwater levels in Orissa, India”, Journal of Hydrology, 343:140-153
-Sahoo, D., & P.K. Smith (2009), “Hydroclimatic trend detection in a rapidly urbanizing semi-arid and coastal river basin”, Journal of Hydrology, 367: 217-227
-Sen, P.K. (1968), “Estimates of the regression coefficient based on Kendall’s tau”, Journal of American Statistical Association, 63:1379-1389
-Thiel, H. (1950), “A rank-invariant method of linear and polynomial analysis, part 3”, Nederlandse Akademie van Wettenschappen, Proceedings, 53:1397–1412
-Van Belle, G., & J.P. Hughes (1984), “Nonparametric tests for trend in water quality”, Water Resources Research, 20(1): 127-136
-Yu, Y.-S., Zou, S. & D. Whittemore (1993), “Non-parametric trend analysis of water quality data of rivers in Kansas”, Journal of Hydrology, 150: 61-80.