Abtew W., J. Obeysekera, and N. Iricanin, 2011: Pan evaporation and potential evapotranspiration trends in South Florida. Hydrological Processes, 25, 958- 969.
Allen R. G., L. S. Pereira, D. Raes, and M. Smith, 1998: Crop evapotranspiration: Guidelines for computing crop water requirements, FAO Irrigation and Drainage Paper, No. 56.
Ault T. R., J. E. Cole, and S. St. George, 2012: The amplitude of decadal to multidecadal variability in precipitation simulated by state-of-the-art climate models. Geophys. Res. Lett., 39, L21705, doi: 10.1029/2012GL053424.
Bader J., M. Latif, 2003: The impact of decadal-scale Indian Ocean sea surface temperature anomalies on Sahelian rainfall and the North Atlantic Oscillation. Geophys. Res. Lett.,30, 2169-2172, doi: 10.1029/2003GL018426.
Bates B. C., Z. W. Kundzewicz, S. Wu, and J. P. Palutikof, 2008: Climate Change and Water. Intergovernmental Panel on Climate Change Secretariat, Geneva, 210 pp.
Charney J. G., 1975: Dynamics of deserts and drought in the Sahel. Quart. J. Roy. Meteor. Soc., 101, 193- 202.
Chen M., P. Xie, J. E. Janowiak, and P. A. Arkin, 2002: Global land precipitation: A 50-yr monthly analysis based on gauge observations. J. Hydrometeorol., 3, 249- 266.
Chou C., J. David Neelin, C.-A. Chen, and J.-Y. Tu, 2009: Evaluating the "rich-get-richer" mechanism in tropical precipitation change under global warming. J.Climate, 22, 1982- 2005.
Dai A. G., 2011: Drought under global warming: A review. Wiley Interdisciplinary Reviews: Climate Change, 2, 45- 65.
Dai A. G., 2013: Increasing drought under global warming in observations and models. Nature Climate Change, 3, 52- 58.
Donohue R. J., T. R. McVicar, and M. L. Roderick, 2010: Assessing the ability of potential evaporation formulations to capture the dynamics in evaporative demand within a changing climate. J. Hydrol., 386, 186- 197.
Fan Y., H. Van den Dool, 2008: A global monthly land surface air temperature analysis for 1948-present. J. Geophys. Res. (Atmos), 113,D01103, doi: 10.1029/2007JD008470.
Feng S., Q. Fu, 2013: Expansion of global drylands under a warming climate. Atmospheric Chemistry and Physics, 13, 10081- 10094.
Georgescu M., G. Miguez-Macho, L. T. Steyaert, and C. P. Weaver, 2009: Climatic effects of 30 years of landscape change over the Greater Phoenix, Arizona, region: 1. Surface energy budget changes. J. Geophys. Res. (Atmos), 114,D05110, doi: 10.1029/2008JD010745.
Giannini A., 2010: Mechanisms of climate change in the semiarid African Sahel: The local view. J.Climate, 23, 743- 756.
Giannini A., R. Saravanan, and P. Chang, 2003: Oceanic forcing of Sahel rainfall on interannual to interdecadal time scales. Science, 302, 1027- 1030.
Giorgi F., P. Lionello, 2008: Climate change projections for the Mediterranean region. Global Planet Change, 63, 90- 104.
Haensler A., S. Hagemann, and D. Jacob, 2011: The role of the simulation setup in a long-term high-resolution climate change projection for the southern African region. Theor. Appl. Climatol., 106, 153- 169.
He Y. L., J. P. Huang, and M. X. Ji, 2014: Impact of land-sea thermal contrast on interdecadal variation in circulation and blocking. Climate Dyn., doi: 10.1007/s00382-014-2103-y.
Held I. M., B. J. Soden, 2006: Robust responses of the hydrological cycle to global warming. J.Climate, 19, 5686- 5699.
Hobbins M., A. Wood, D. Streubel, and K. Werner, 2012: What drives the variability of evaporative demand across the conterminous United States?J. Hydrometeorol, 13, 1195- 1214.
Huang D.-Q., J. Zhu, Y.-C. Zhang, and A.-N. Huang, 2013: Uncertainties on the simulated summer precipitation over Eastern China from the CMIP5 models. J. Geophys. Res. (Atmos), 118, 9035- 9047.
Huang J. P., X. Guan, and F. Ji, 2012: Enhanced cold-season warming in semi-arid regions. Atmospheric Chemistry and Physics, 12, 5391- 5398.
Huang J., P. Minnis, H. Yan, Y. Yi, B. Chen, L. Zhang, and J. K. Ayers, 2010: Dust aerosol effect on semi-arid climate over Northwest China detected from A-Train satellite measurements. Atmospheric Chemistry and Physics, 10, 6863- 6872.
Huang, J. P., Coauthors, 2008: An overview of the semi-arid climate and environment research observatory over the Loess Plateau. Adv. Atmos. Sci.,25, 906-921, doi: 10.1007/s00376-008-0906-7.
Hughes L., 2011: Climate change and Australia: Key vulnerable regions. Regional Environmental Change, 11, 189- 195.
Hughes M. K., H. F. Diaz, 2008: Climate variability and change in the drylands of Western North America. Global and Planetary Change, 64, 111- 118.
IPCC, 2013: Climate change 2013: The physical science basis. Stocker, and Coauthors, Eds., Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change, Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA.
Ji F., Z. H. Wu, J. P. Huang, and E. P. Chassignet, 2014: Evolution of land surface air temperature trend. Nature Climate Change, doi: 10.1038/nclimate2223.
Kimoto M., 2005: Simulated change of the east Asian circulation under global warming scenario. Geophys. Res. Lett., 32,L16701, doi: 10.1029/2005GL023383.
Kottek M., J. Grieser, C. Beck, B. Rudolf, F. Rubel, 2006: World map of the K\"oppen-Geiger climate classification updated.Meteorol.Z., 15( 3), 259- 263.
Kumar D., E. Kodra, and A. R. Ganguly, 2014: Regional and seasonal intercomparison of CMIP3 and CMIP5 climate model ensembles for temperature and precipitation. Climate Dyn., 43, 2491- 2518.
Kusunoki S., J. Yoshimura, H. Yoshimura, A. Noda, K. Oouchi, and R. Mizuta, 2006: Change of Baiu rain band in global warming projection by an atmospheric general circulation model with a 20-km grid size. J. Meteor. Soc.Japan, 84, 581- 611.
Legates, D. R. and C. J. Willmott, 1990: Mean seasonal and spatial variability in gauge-corrected, global precipitation, International Journal of Climatology, 10, 111- 127.
Li S. X., Z. H. Wang, T. T. Hu, Y. J. Gao, and B. A. Stewart, 2009: Nitrogen in dryland soils of China and its management. Advances in Agronomy, 101, 123- 181.
Ma Z. G., C. B. Fu, 2003: Interannual characteristics of the surface hydrological variables over the arid and semi-arid areas of northern China. Global Planetary Change, 37, 189- 200.
Maestre F. T., R. Salguero-G\'omez, and J. L. Quero, 2012: It is getting hotter in here: determining and projecting the impacts of global environmental change on drylands. Philosophical Transactions of the Royal Society B: Biological Sciences, 367, 3062- 3075.
Mariotti A., N. Zeng, J.-H. Yoon, V. Artale, A. Navarra, P. Alpert, and L. Z. X. Li, 2008: Mediterranean water cycle changes: Transition to drier 21st century conditions in observations and CMIP3 simulations. Environmental Research Letters , 3,044001, doi:10.1088/1748-9326/3/4/044001.
Meigs P., 1953: The distribution of arid and semi-arid homoclimates. UNESCO, Arid Zone Research, Series 1, Reviews of Research on Arid Zone Hydrology, 203- 210.
Middleton N., D. Thomas, 1997: World Atlas of Desertification. 2nd ed., Arnold, Copublished in the US, Central and South America byJohn Wiley.
Mitchell T. D., P. D. Jones, 2005: An improved method of constructing a database of monthly climate observations and associated high-resolution grids. International Journal of Climatology, 25, 693- 712.
Neelin J., C. Chou, and H. Su, 2003: Tropical drought regions in global warming and El Ni\ no teleconnections. Geophys. Res. Lett., 30,2275, doi: 10.1029/2003GL018625.
Nicholson S. E., Ed., 2011: Dryland Climatology. Cambridge University Press,516 pp.
Penman H. L., 1948: Natural evaporation from open water, bare soil and grass. Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 193, 120- 145.
Pierce D.W., T. P. Barnett, B. D. Santer, and P. J. Gleckler, 2009: Selecting global climate models for regional climate change studies, P. Natl. Acad. Sci.USA, 106, 8441- 8446.
Reynolds J.F., Coauthors, 2007: Global desertification: Building a science for dryland development. Science, 316, 847- 851.
Rodell M., Coauthors, 2004: The global land data assimilation system. Bull. Amer. Meteor. Soc., 85, 381- 394.
Safriel U., Coauthors, 2005: Dryland systems. R. Hassan, R. Scholes, and N. Ash, Eds., Ecosystems and Human Well-being, Current State and Trends, Island Press, 623- 662.
Schneider U., A. Becker, P. Finger, 2013: GPCC's new landsurface precipitation climatology based on quality-controlled in situ data and its role in quantifying the global water cycle. Theor. Appl. Climatol.,115, 15-40, doi: 10.1007/s00704-013-0860-x.
Seager R., N. Naik, and G. A. Vecchi, 2010: Thermodynamic and dynamic mechanisms for large-scale changes in the hydrological cycle in response to global warming. J.Climate, 23, 4651- 4668.
Seager R., Coauthors, 2007: Model projections of an imminent transition to a more arid climate in southwestern North America. Science, 316, 1181- 1184.
Shaw S. B., S. J. Riha, 2011: Assessing temperature-based PET equations under a changing climate in temperate, deciduous forests. Hydrol Process, 25, 1466- 1478.
Taylor K. E., R. J. Stouffer, and G. A. Meehl, 2012: An overview of CMIP5 and the experiment design. Bull. Amer. Meteor. Soc., 93, 485- 498.
Thornthwaite C. W., 1948: An approach toward a rational classification of climate. Geographical Review, 38( 1), 55- 94.
Trenberth K. E., A. G. Dai, R. M. Rasmussen, and D. B. Parsons, 2003: The changing character of precipitation. Bull. Amer. Meteor. Soc., 84, 1205- 1217.
Wallace J. M., Q. Fu, B. V. Smoliak, P. Lin, and C. M. Johanson, 2012: Simulated versus observed patterns of warming over the extratropical Northern Hemisphere continents during the cold season. Proceedings of the National Academy of Sciences of the United States of America, 109, 14337- 14342.
Wang X., J. P. Huang, M. X. Ji, and K. Higuchi, 2008: Variability of East Asia dust events and their long-term trend. Atmos. Environ., 42, 3156- 3165.
Wang X., J. P. Huang, R. D. Zhang, B. Chen, and J. R. Bi, 2010: Surface measurements of aerosol properties over northwest China during ARM China 2008 deployment. J. Geophys. Res., 115, D00K27, doi:10.1029/2009JD013467.
Wang X., W. Pu, J. S. Shi, J. R. Bi, 2015: A comparison of the physical and optical properties of anthropogenic air pollutants and mineral dust over northwest China. J. Meteor. Res. ,29, 180-200, doi:10.1007/s13351-015-4092-0.
Zeng N., J. Yoon, 2009: Expansion of the world's deserts due to vegetation-albedo feedback under global warming. Geophys. Res. Lett., 36,L17401, doi: 10.1029/2009GL039699.
Zhao T. B., L. Chen, and Z. G. Ma, 2014: Simulation of historical and projected climate change in arid and semiarid areas by CMIP5 models. Chinese Science Bulletin, 59, 412- 429.