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Journal articles on the topic 'Wet climate'

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1

Mantoura, Samia. "The future's wet." Nature Climate Change 1, no. 709 (2007): 50. http://dx.doi.org/10.1038/climate.2007.40.

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2

Kjelgren, Roger, Yongyut Trisurat, Ladawan Puangchit, Nestor Baguinon, and Puay Tan Yok. "Tropical Street Trees and Climate Uncertainty in Southeast Asia." HortScience 46, no. 2 (2011): 167–72. http://dx.doi.org/10.21273/hortsci.46.2.167.

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Urban trees are a critical quality of life element in rapidly growing cities in tropical climates. Tropical trees are found in a wide variety of habitats governed largely by the presence and duration of monsoonal dry periods. Tropical cities can serve as a proxy for climate change impacts of elevated carbon dioxide (CO2), urban heat island, and drought-prone root zones on successful urban trees. Understanding the native habitats of species successful as tropical urban trees can yield insights into the potential climate impact on those habitats. Species from equatorial and montane wet forests w
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3

Chin, G. J. "CLIMATE SCIENCE: Wet and Dry Dating." Science 318, no. 5851 (2007): 717d. http://dx.doi.org/10.1126/science.318.5851.717d.

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4

Griesbauer, Hardy P., and D. Scott Green. "Regional and ecological patterns in interior Douglas-fir climate–growth relationships in British Columbia, Canada." Canadian Journal of Forest Research 40, no. 2 (2010): 308–21. http://dx.doi.org/10.1139/x09-197.

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How climate change will affect tree growth across species’ geographic and climatic ranges remains a critical knowledge gap. Tree-ring data were analyzed from 33 interior Douglas-fir ( Pseudotsuga menziesii var. glauca (Beissn.) Franco) stands spanning wide geographic and climatic conditions in the interior of British Columbia to gain insights into how within-species growth responses to climate can vary based on local environmental conditions over a broad climatic and geographic range, including populations growing at the species’ range and climatic margins. Populations growing in relatively wa
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5

Harrison, Susan, Marko J. Spasojevic, and Daijiang Li. "Climate and plant community diversity in space and time." Proceedings of the National Academy of Sciences 117, no. 9 (2020): 4464–70. http://dx.doi.org/10.1073/pnas.1921724117.

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Climate strongly shapes plant diversity over large spatial scales, with relatively warm and wet (benign, productive) regions supporting greater numbers of species. Unresolved aspects of this relationship include what causes it, whether it permeates to community diversity at smaller spatial scales, whether it is accompanied by patterns in functional and phylogenetic diversity as some hypotheses predict, and whether it is paralleled by climate-driven changes in diversity over time. Here, studies of Californian plants are reviewed and new analyses are conducted to synthesize climate–diversity rel
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Johnson and Yeakley. "Microsites and Climate Zones: Seedling Regeneration in the Alpine Treeline Ecotone Worldwide." Forests 10, no. 10 (2019): 864. http://dx.doi.org/10.3390/f10100864.

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Microsites, local features having the potential to alter the environment for seedling regeneration, may help to define likely trends in high-elevation forest regeneration pattern. Although multiple microsites may exist in any alpine treeline ecotone (ATE) on any continent, some microsites appear to enhance density of seedling regeneration better than others. Known seedling regeneration stresses in the ATE include low temperature, low substrate moisture, high radiation, drought, wind, and both high and low snowfall amount. Relationships among various microsite types, annual temperature, annual
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Laureti, D., S. Pieri, G. P. Vannozzi, M. Turi, and R. Giovanardi. "Nitrogen fertilization in wet and dry climate." Helia 30, no. 47 (2007): 135–40. http://dx.doi.org/10.2298/hel0747135l.

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8

Oni, Stephen, Martyn Futter, Jose Ledesma, Claudia Teutschbein, Jim Buttle, and Hjalmar Laudon. "Using dry and wet year hydroclimatic extremes to guide future hydrologic projections." Hydrology and Earth System Sciences 20, no. 7 (2016): 2811–25. http://dx.doi.org/10.5194/hess-20-2811-2016.

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Abstract. There are growing numbers of studies on climate change impacts on forest hydrology, but limited attempts have been made to use current hydroclimatic variabilities to constrain projections of future climatic conditions. Here we used historical wet and dry years as a proxy for expected future extreme conditions in a boreal catchment. We showed that runoff could be underestimated by at least 35 % when dry year parameterizations were used for wet year conditions. Uncertainty analysis showed that behavioural parameter sets from wet and dry years separated mainly on precipitation-related p
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9

Tozer, Carly R., James S. Risbey, Didier P. Monselesan, et al. "Assessing the Representation of Australian Regional Climate Extremes and Their Associated Atmospheric Circulation in Climate Models." Journal of Climate 33, no. 4 (2020): 1227–45. http://dx.doi.org/10.1175/jcli-d-19-0287.1.

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AbstractWe assess the representation of multiday temperature and rainfall extremes in southeast Australia in three coupled general circulation models (GCMs) of varying resolution. We evaluate the statistics of the modeled extremes in terms of their frequency, duration, and magnitude compared to observations, and the model representation of the midtropospheric circulation (synoptic and large scale) associated with the extremes. We find that the models capture the statistics of observed heatwaves reasonably well, though some models are “too wet” to adequately capture the observed duration of dry
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10

Guo, Zhichang, and Paul A. Dirmeyer. "Interannual Variability of Land–Atmosphere Coupling Strength." Journal of Hydrometeorology 14, no. 5 (2013): 1636–46. http://dx.doi.org/10.1175/jhm-d-12-0171.1.

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Abstract Recent studies in the Global Land–Atmosphere Coupling Experiment (GLACE) established a framework to estimate the extent to which anomalies in the land surface state (e.g., soil moisture) can affect rainfall generation and other atmospheric processes. Within this framework, a multiyear GLACE-type experiment is carried out with a coupled land–atmosphere general circulation model to examine the interannual variability of land–atmosphere coupling strength. Soil wetness with intermediate values are in the range at which rainfall generation, near-surface air temperature, and surface turbule
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11

Almazroui, Mansour, Khaled S. Balkhair, M. Nazrul Islam, and Zekai Şen. "Climate Change Impact on Monthly Precipitation Wet and Dry Spells in Arid Regions: Case Study over Wadi Al-Lith Basin." Advances in Meteorology 2017 (2017): 1–13. http://dx.doi.org/10.1155/2017/5132895.

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Durations of monthly precipitation wet and dry spells are calculated using historical records and regional climate model (RCM) simulations for the Wadi Al-Lith basin in western Saudi Arabia. The characteristics of durations of wet and dry spells are based on the 50% risk level corresponding to the monthly records for average regional precipitation. The duration of wet spells in the model data is compared with observations for the base period 1971–2000. The impact of climate change on the durations of wet and dry spells is obtained using three global climate models projections with RCP4.5 and R
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12

Shrestha, Krishna B., Annika Hofgaard, and Vigdis Vandvik. "Tree-growth response to climatic variability in two climatically contrasting treeline ecotone areas, central Himalaya, Nepal." Canadian Journal of Forest Research 45, no. 11 (2015): 1643–53. http://dx.doi.org/10.1139/cjfr-2015-0089.

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Tree growth at the treeline ecotone is known to be sensitive to climate variability and is thus considered to be a worldwide biomonitor of climate change. However, our understanding of within-region variation in growth responses through space and time is limited. A dry south-facing slope dominated by Pinus wallichiana A.B. Jacks. and a wet north-facing slope dominated by Abies spectabilis (D. Don) Spach in Nepal, central Himalaya, were used to analyze the intersite (i.e., dry vs. wet sites) and intrasite (i.e., treeline vs. forest line elevations) tree-growth relationships, as well as response
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13

Joyce, Chris B., Matthew Simpson, and Michelle Casanova. "Future wet grasslands: ecological implications of climate change." Ecosystem Health and Sustainability 2, no. 9 (2016): e01240. http://dx.doi.org/10.1002/ehs2.1240.

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14

Yao, Xiaohong, and Leiming Zhang. "Decoding long-term trends in the wet deposition of sulfate, nitrate, and ammonium after reducing the perturbation from climate anomalies." Atmospheric Chemistry and Physics 20, no. 2 (2020): 721–33. http://dx.doi.org/10.5194/acp-20-721-2020.

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Abstract. Long-term trends of wet deposition of inorganic ions are affected by multiple factors, among which emission changes and climate conditions are dominant ones. To assess the effectiveness of emission reductions on the wet deposition of pollutants of interest, contributions from these factors to the long-term trends of wet deposition must be isolated. For this purpose, a two-step approach for preprocessing wet deposition data is presented herein. This new approach aims to reduce the impact of climate anomalies on the trend analysis so that the impact of emission reductions on the wet de
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15

Mistry, Malcolm N. "A High Spatiotemporal Resolution Global Gridded Dataset of Historical Human Discomfort Indices." Atmosphere 11, no. 8 (2020): 835. http://dx.doi.org/10.3390/atmos11080835.

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Meteorological human discomfort indices or bioclimatic indices are important metrics to gauge potential risks to human health under varying environmental thermal exposures. Derived using sub-daily meteorological variables from a quality-controlled reanalysis data product (Global Land Data Assimilation System—GLDAS), a new high-resolution global dataset referred to as “HDI_0p25_1970_2018” is presented in this study. The dataset includes the following daily indices at 0.25° × 0.25° gridded resolution: (i) Apparent Temperature indoors (ATind); (ii) two variants of Apparent Temperature outdoors in
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16

Berg, Neil, and Alex Hall. "Increased Interannual Precipitation Extremes over California under Climate Change." Journal of Climate 28, no. 16 (2015): 6324–34. http://dx.doi.org/10.1175/jcli-d-14-00624.1.

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Abstract Changes to mean and extreme wet season precipitation over California on interannual time scales are analyzed using twenty-first-century precipitation data from 34 global climate models. Models disagree on the sign of projected changes in mean precipitation, although in most models the change is very small compared to historical and simulated levels of interannual variability. For the 2020/21–2059/60 period, there is no projected increase in the frequency of extremely dry wet seasons in the ensemble mean. Wet extremes are found to increase to around 2 times the historical frequency, wh
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17

Pigati, Jeffrey S., Kathleen B. Springer, and Jeffrey S. Honke. "Desert wetlands record hydrologic variability within the Younger Dryas chronozone, Mojave Desert, USA." Quaternary Research 91, no. 1 (2018): 51–62. http://dx.doi.org/10.1017/qua.2018.14.

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AbstractOne of the enduring questions in the field of paleohydrology is how quickly desert wetland ecosystems responded to past episodes of abrupt climate change. Recent investigations in the Las Vegas Valley of southern Nevada have revealed that wetlands expanded and contracted on millennial and sub-millennial timescales in response to changes in climate during the late Quaternary. Here, we evaluate geologic evidence from multiple localities in the Mojave Desert and southern Great Basin that suggests the response of wetland systems to climate change is even faster, occurring at centennial, an
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18

Li, Hong-Chun, James L. Bischoff, Teh-Lung Ku, Steven P. Lund, and Lowell D. Stott. "Climate Variability in East-Central California during the Past 1000 Years Reflected by High-Resolution Geochemical and Isotopic Records from Owens Lake Sediments." Quaternary Research 54, no. 2 (2000): 189–97. http://dx.doi.org/10.1006/qres.2000.2163.

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Core OL-97A, retrieved from the depocenter of Owens Lake, represents a depositional history spanning the past 1000 yr. Among the 17 elements analyzed in the acid-leachable fractions of 315 salt-free samples (at ∼3 yr/sample), Mg and Li, which come chiefly from authigenic Mg-hydroxy-silicates, were found to have concentration variations reflecting lake salinity and climatic changes during the past. A total of 231 isotopic measurements on carbonates from the same samples in the upper 181 cm show that δ18O and δ13C values range from −5.66 to 0.12‰ (PDB) and 1.38 to 4.28‰ (PDB), respectively. The
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19

Lu, Jianzhong, Xiaolin Cui, Xiaoling Chen, Sabine Sauvage, and José-Miguel Sanchez Perez. "Evaluation of hydrological response to extreme climate variability using SWAT model: application to the Fuhe basin of Poyang Lake watershed, China." Hydrology Research 48, no. 6 (2016): 1730–44. http://dx.doi.org/10.2166/nh.2016.115.

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Abstract Differences between simulated and observed data often occur when the watershed model is applied under extreme climate. It is necessary to assess the stability of hydrological models in a wide range of climate variation. A case study was conducted in Fuhe basin of Poyang Lake, China using the Soil and Water Assessment Tool (SWAT) model, which was calibrated under different climates in average years, dry and wet years, high and low temperature years, respectively. The model was first calibrated with dataset in average years, and the validation in the whole period showed results agreed w
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20

Chauhan, Yashvir S., Peter Thorburn, Jody S. Biggs, and Graeme C. Wright. "Agronomic benefits and risks associated with the irrigated peanut–maize production system under a changing climate in northern Australia." Crop and Pasture Science 66, no. 11 (2015): 1167. http://dx.doi.org/10.1071/cp15068.

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With the aim of increasing peanut production in Australia, the Australian peanut industry has recently considered growing peanuts in rotation with maize at Katherine in the Northern Territory—a location with a semi-arid tropical climate and surplus irrigation capacity. We used the well-validated APSIM model to examine potential agronomic benefits and long-term risks of this strategy under the current and warmer climates of the new region. Yield of the two crops, irrigation requirement, total soil organic carbon (SOC), nitrogen (N) losses and greenhouse gas (GHG) emissions were simulated. Sixte
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21

Pei, Lisi, Nathan Moore, Shiyuan Zhong, et al. "WRF Model Sensitivity to Land Surface Model and Cumulus Parameterization under Short-Term Climate Extremes over the Southern Great Plains of the United States." Journal of Climate 27, no. 20 (2014): 7703–24. http://dx.doi.org/10.1175/jcli-d-14-00015.1.

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Abstract Extreme weather and climate events, especially short-term excessive drought and wet periods over agricultural areas, have received increased attention. The Southern Great Plains (SGP) is one of the largest agricultural regions in North America and features the underlying Ogallala-High Plains Aquifer system worth great economic value in large part due to production gains from groundwater. Climate research over the SGP is needed to better understand complex coupled climate–hydrology–socioeconomic interactions critical to the sustainability of this region, especially under extreme climat
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22

Lu, H. Y., Xianyan Wang, Xiaoyong Wang, et al. "Palaeoclimatic changes in northeastern Qinghai-Tibetan Plateau revealed by magnetostratigraphy and magnetic susceptibility analysis of thick loess deposits." Netherlands Journal of Geosciences - Geologie en Mijnbouw 91, no. 1-2 (2012): 189–98. http://dx.doi.org/10.1017/s001677460000158x.

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AbstractReconstruction of a complete Quaternary record of climatic changes in the northeastern Qinghai-Tibetan Plateau is not well obtained, because of high relief and extensive surface erosion. In this study, two long cores obtained from thick loess deposits in the region, both contain clear alternations of loess and paleosols, indicating distinct climate changes during the Quaternary. The palaeomagnetic stratigraphy and optically stimulated luminescence dating indicate that the loess deposition began approximately 2.0 Ma ago, with continuous accumulation until the Holocene. Dust accumulation
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23

Gyllenhaal, Eric D. "Reconciling the lithologic and paleobotanic records of climatic change during the Pennsylvanian." Paleontological Society Special Publications 6 (1992): 116. http://dx.doi.org/10.1017/s2475262200006766.

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Both lithologic and paleobotanic data have been used to construct climatic curves for the Pennsylvanian of the Appalachian Basin (Figure 1). The strengths and weaknesses of each type of evidence must be considered when reconciling these data into a composite curve. (1) The calibrated lithologic curve is based ultimately on the geographic ranges of sediments and soils relative to modern precipitation. Although it provides quantitative estimates of precipitation, the calibrated curve cannot detect minor fluctuations in climate, and time-averaging of range data can lead to an over-estimate of the
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Vargas Zeppetello, Lucas R., David S. Battisti, and Marcia B. Baker. "The Origin of Soil Moisture Evaporation “Regimes”." Journal of Climate 32, no. 20 (2019): 6939–60. http://dx.doi.org/10.1175/jcli-d-19-0209.1.

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Abstract Evaporation plays an extremely important role in determining summertime surface temperature variability over land. Observations show the relationship between evaporation and soil moisture generally conforms to the Budyko “two regime” framework; namely, that evaporation is limited by available soil moisture in dry climates and by radiation in wet climates. This framework has led climate models to different parameterizations of the relationship between evaporation and soil moisture in wet and dry regions. We have developed the Simple Land–Atmosphere Model (SLAM) as a tool for studying l
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JEX, A. R., M. A. SCHNEIDER, H. A. ROSE, and T. H. CRIBB. "Local climate aridity influences the distribution of thelastomatoid nematodes of the Australian giant burrowing cockroach." Parasitology 134, no. 10 (2007): 1401–8. http://dx.doi.org/10.1017/s0031182007002727.

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SUMMARYIn this study, we examined the effects of local climate aridity on the richness and composition of the thelastomatoid (Nematoda: Oxyurida) guild parasitizing the Australian giant burrowing cockroach, Macropanesthia rhinoceros (Blattodea: Geoscapheinae). In total, 9 thelastomatoid species parasitized this cockroach in north-eastern Australia (Queensland). Local observed richness ranged from 3 species (in Cooktown, Magnetic Island, Maiden Springs and Whitsunday Island) to 7 species (in Rochford Scrub). The lowest richness occurred in both relatively wet and dry climates, and the highest r
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Miller, George R., and H. Michael Mogil. "Oregon's Weather and Climate: Wet, Dry, Hot, and Cold." Weatherwise 64, no. 6 (2011): 12–19. http://dx.doi.org/10.1080/00431672.2011.618407.

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27

Haag, Amanda. "US proves a wet blanket at international climate meeting." Nature 432, no. 7020 (2004): 936. http://dx.doi.org/10.1038/432936b.

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28

Daskin, Joshua H., Filipe Aires, and A. Carla Staver. "Determinants of tree cover in tropical floodplains." Proceedings of the Royal Society B: Biological Sciences 286, no. 1914 (2019): 20191755. http://dx.doi.org/10.1098/rspb.2019.1755.

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Tree cover differentiates forests from savannas and grasslands. In tropical floodplains, factors differentiating these systems are poorly known, even though floodplains cover 10% of the tropical landmass. Seasonal inundation potentially presents trees with both challenges (soil anoxia) and benefits (moisture and nutrient deposition), the relative importance of which may depend on ecological context, e.g. if floods alleviate water stress more in more arid ecosystems. Here, we use remotely sensed data across 13 large tropical and sub-tropical floodplain ecosystems on five continents to show that
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Pérez-Granados, Cristian, and Karl-L. Schuchmann. "Seasonal Climate Impacts on Vocal Activity in Two Neotropical Nonpasserines." Diversity 13, no. 7 (2021): 319. http://dx.doi.org/10.3390/d13070319.

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Climatic conditions represent one of the main constraints that influence avian calling behavior. Here, we monitored the daily calling activity of the Undulated Tinamou (Crypturellus undulatus) and the Chaco Chachalaca (Ortalis canicollis) during the dry and wet seasons in the Brazilian Pantanal. We aimed to assess the effects of climate predictors on the vocal activity of these focal species and evaluate whether these effects may vary among seasons. Air temperature was positively associated with the daily calling activity of both species during the dry season. However, the vocal activity of bo
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30

Polemio, M., and O. Petrucci. "The occurrence of floods and the role of climate variations from 1880 in Calabria (Southern Italy)." Natural Hazards and Earth System Sciences 12, no. 1 (2012): 129–42. http://dx.doi.org/10.5194/nhess-12-129-2012.

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Abstract. In this paper, we present a methodological approach based on a comparative analysis of floods that occurred in a wide region over a long period and the climatic data characterising the same period, focusing on the climate trend. The method simplifies the comparative analysis of several time series by defining some indexes (e.g. the monthly, bi-monthly, and ... m-monthly indexes of precipitation, temperature, wet days and precipitation intensity and the monthly flood number) that can be used to study phenomena such as floods that are characterised by spatial and temporal variability.
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Woods, Warren W., and Jeffrey L. Imes. "How wet is wet? Precipitation constraints on late quaternary climate in the southern Arabian Peninsula." Journal of Hydrology 164, no. 1-4 (1995): 263–68. http://dx.doi.org/10.1016/0022-1694(94)02551-l.

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32

Zhuo, Zhen Hua, and Xing Guo Guo. "Research on Condensation in Porous Wall Exposed to Hot Humid Climate." Applied Mechanics and Materials 174-177 (May 2012): 2006–11. http://dx.doi.org/10.4028/www.scientific.net/amm.174-177.2006.

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According to the work of Motakef and EI-Masri, the wall is divided into dry-wet-dry zones. Based on the heat and moisture transfer through porous media, considered the vapor condensation as a vapor sink, water source and heat source, coupled heat and moisture equations for wet zone were established. Closed-form analytical expressions for the condensation rate, moisture content and the time at which critical moisture content value is reached are obtained. The analysis has indicated that the condensation rate exhibits a strong dependence on the ratio of temperature drops across the wet zone to t
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Yang, Jinhu, Qiang Zhang, Guoyang Lu, et al. "Climate Transition from Warm-Dry to Warm-Wet in Eastern Northwest China." Atmosphere 12, no. 5 (2021): 548. http://dx.doi.org/10.3390/atmos12050548.

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During the second half of the 20th century, eastern Northwest China experienced a warming and drying climate change. To determine whether this trend has continued or changed during the present century, this study systematically analyzes the characteristics of warming and dry–wet changes in eastern Northwest China based on the latest observational data and World Climate Research Programme (WCRP) Coupled Model Intercomparison Project Phase 6 (CMIP6) collection data. The results show that eastern Northwest China has warmed continuously during the past 60 years with a sudden temperature change occ
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Rajczak, Jan, Sven Kotlarski, and Christoph Schär. "Does Quantile Mapping of Simulated Precipitation Correct for Biases in Transition Probabilities and Spell Lengths?" Journal of Climate 29, no. 5 (2016): 1605–15. http://dx.doi.org/10.1175/jcli-d-15-0162.1.

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Abstract Climate impact studies constitute the basis for the formulation of adaptation strategies. Usually such assessments apply statistically postprocessed output of climate model projections to force impact models. Increasingly, time series with daily resolution are used, which require high consistency, for instance with respect to transition probabilities (TPs) between wet and dry days and spell durations. However, both climate models and commonly applied statistical tools have considerable uncertainties and drawbacks. This paper compares the ability of 1) raw regional climate model (RCM)
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Mutz, Sebastian G., and Todd A. Ehlers. "Detection and explanation of spatiotemporal patterns in Late Cenozoic palaeoclimate change relevant to Earth surface processes." Earth Surface Dynamics 7, no. 3 (2019): 663–79. http://dx.doi.org/10.5194/esurf-7-663-2019.

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Abstract. Detecting and explaining differences between palaeoclimates can provide valuable insights for Earth scientists investigating processes that are affected by climate change over geologic time. In this study, we describe and explain spatiotemporal patterns in palaeoclimate change that are relevant to Earth surface scientists. We apply a combination of multivariate cluster and discriminant analysis techniques to a set of high-resolution palaeoclimate simulations. The simulations were conducted with the ECHAM5 climate model and consistent setup. A pre-industrial (PI) climate simulation se
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Britain, Great, and D. Conway. "Recent climate variability and future climate change scenarios for." Progress in Physical Geography: Earth and Environment 22, no. 3 (1998): 350–74. http://dx.doi.org/10.1177/030913339802200303.

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This article reviews recent climatically extreme periods in Great Britain and presents results from the latest general circulation model (GCM) experiments showing the possible spatial patterns and magnitude of future climate change for this region. During the last decade the British Isles has seen record-breaking periods of above-average temperatures, alongside periods with above and below-average precipitation, combined with an increase in winter precipitation and a decrease in summer precipitation. The impacts of these anomalies, coupled with the possibility that future climate change may in
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Caviglione, João H., Ines C. de B. Fonseca, and João Tavares Filho. "Viability of CLIGEN in the climatic conditions of Paraná state, Brazil." Revista Brasileira de Engenharia Agrícola e Ambiental 17, no. 6 (2013): 655–64. http://dx.doi.org/10.1590/s1415-43662013000600012.

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Studies on hydrology, agro-meteorology, soil loss and climate change scenarios depend on weather information, which may not be available. Weather generators, such as the CLIGEN, can synthesize daily climate series statistically similar to the observed data. The objective of this study was to evaluate the CLIGEN in generating series in the climatic conditions of Paraná, Brazil, which show transition between Cfa and Cfb climates. Observed data from 20 weather stations from 1975 to 2009 were compared with synthetic series generated with the same number of years. Mean and standard deviation of the
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Hasegawa, Akira, Maksym Gusyev, and Yoichi Iwami. "Meteorological Drought and Flood Assessment Using the Comparative SPI Approach in Asia Under Climate Change." Journal of Disaster Research 11, no. 6 (2016): 1082–90. http://dx.doi.org/10.20965/jdr.2016.p1082.

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The standardized precipitation index (SPI) has been used to monitor and analyze meteorological droughts using long-term monthly precipitation from national meteorological and hydrological services on multiple timescales. Instead of evaluating climatic impacts with separately-computed SPI for present and future climates, we introduced the comparative SPI (cSPI) computed using target (future) datasets on the basis of a reference (present) dataset. The cSPI approach evaluates standardized precipitation change in one dataset for different periods and for different datasets in a common period. Usin
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Uddin, Md Nezam, Syed Mustafizur Rahman, Md Sultan-Ul Islam, Md Shuzon Ali, and Md Abdullah Al Mamun. "Seasonal variability in climate time series in Rajshahi division, Bangladesh." VIETNAM JOURNAL OF EARTH SCIENCES 42, no. 1 (2020): 1–14. http://dx.doi.org/10.15625/0866-7187/42/1/14755.

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This work has presented yearly dry and wet seasons in the analysis of 28 years daily recorded temperature, relative humidity and rainfall data from 1988 to 2015 in Rajshahi division, Bangladesh using Hilbert frequency analysis. Analysis has estimated the seasonal boundaries in time according to the instantaneous frequency in cycles/day and the estimations are verified with studying power spectrum of the time series. Two boundaries are obtained in each analysis over the average of yearly analysis of four years. Obtained seasonal boundaries on 16 March and 20 October are indicated as the differe
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Panagoulia, D., A. Bárdossy, and G. Lourmas. "Diagnostic statistics of daily rainfall variability in an evolving climate." Advances in Geosciences 7 (June 20, 2006): 349–54. http://dx.doi.org/10.5194/adgeo-7-349-2006.

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Abstract. To investigate the character of daily rainfall variability under present and future climate described via global warming a suite of diagnostic statistics was used. The rainfall was modeled as a stochastic process coupled with atmospheric circulation. In this study we used an automated objective classification of daily patterns based on optimized fuzzy rules. This kind of classification method provided circulation patterns suitable for downscaling of General Circulation Model (GCM)-generated precipitation. The precipitation diagnostics included first and second order moments, wet and
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Hernández-Lambraño, Ricardo Enrique, David Rodríguez de la Cruz, and José Ángel Sánchez Agudo. "Effects of the Climate Change on Peripheral Populations of Hydrophytes: A Sensitivity Analysis for European Plant Species Based on Climate Preferences." Sustainability 13, no. 6 (2021): 3147. http://dx.doi.org/10.3390/su13063147.

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Biogeographical theory suggests that widespread retractions of species’ rear edges are expected due to anthropogenic climate change, affecting in a particularly intense way those linked to fragile habitats, such as species’ rear edges closely dependent on specific water conditions. In this way, this paper studies the potential effects of anthropogenic climate change on distribution patterns of threatened rear edge populations of five European hydrophyte plants distributed in the Iberian Peninsula. We explored (i) whether these populations occur at the limit of the species’ climatic tolerance,
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Liu, Jie, and Ben Lin Shi. "Effects of Climate Change on Yield of Winter Wheat in Shangqiu." Advanced Materials Research 726-731 (August 2013): 4358–61. http://dx.doi.org/10.4028/www.scientific.net/amr.726-731.4358.

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The effects of climatic change on winter wheat yield in Shangqiu City are quantitatively analyzed with the predictive results of future climate change. The results show that winter wheat yield in Shangqiu City presented a fluctuated increase for overall trend. Principal component analysis indicates that air temperature, precipitation, evaporation and extreme temperatures are the main factors affecting winter wheat yield, and excessive evaporation and extremely-low temperatures are unfavorable for wheat production. The warm-and-wet climate in Shangqiu is beneficial for improvement of winter whe
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Rogers, Cassandra Denise Wilks, and Jason Beringer. "Describing rainfall in northern Australia using multiple climate indices." Biogeosciences 14, no. 3 (2017): 597–615. http://dx.doi.org/10.5194/bg-14-597-2017.

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Abstract. Savanna landscapes are globally extensive and highly sensitive to climate change, yet the physical processes and climate phenomena which affect them remain poorly understood and therefore poorly represented in climate models. Both human populations and natural ecosystems are highly susceptible to precipitation variation in these regions due to the effects on water and food availability and atmosphere–biosphere energy fluxes. Here we quantify the relationship between climate phenomena and historical rainfall variability in Australian savannas and, in particular, how these relationship
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Gao, Tao, Fuqiang Cao, Li Dan, Ming Li, Xiang Gong, and Junjie Zhan. "The precipitation variability of the wet and dry season at the interannual and interdecadal scales over eastern China (1901–2016): the impacts of the Pacific Ocean." Hydrology and Earth System Sciences 25, no. 3 (2021): 1467–81. http://dx.doi.org/10.5194/hess-25-1467-2021.

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Abstract. The spatiotemporal variability of rainfall in the dry (October–March) and wet (April–September) seasons over eastern China is examined from 1901–2016 based on the gridded rainfall dataset from the University of East Anglia Climatic Research Unit. Principal component analysis is employed to identify the dominant variability modes, wavelet coherence is utilized to investigate the spectral features of the leading modes of precipitation and their coherences with the large-scale modes of climate variability, and the Bayesian dynamical linear model is adopted to quantify the time-varying c
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Sinopoli, Gaia, Odile Peyron, Alessia Masi, et al. "Pollen-based temperature and precipitation changes in the Ohrid Basin (western Balkans) between 160 and 70 ka." Climate of the Past 15, no. 1 (2019): 53–71. http://dx.doi.org/10.5194/cp-15-53-2019.

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Abstract. Our study aims to reconstruct climate changes that occurred at Lake Ohrid (south-western Balkan Peninsula), the oldest extant lake in Europe, between 160 and 70 ka (covering part of marine isotope stage 6, MIS 6; all of MIS 5; and the beginning of MIS 4). A multi-method approach, including the “Modern Analog Technique” and the “Weighted Averaging Partial Least-Squares Regression”, is applied to the high-resolution pollen sequence of the DEEP site, collected from the central part of Lake Ohrid, to provide quantitative estimates of climate and bioclimate parameters. This allows us to d
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Yoo, Chulsang, Jinwook Lee, and Yonghun Ro. "Markov Chain Decomposition of Monthly Rainfall into Daily Rainfall: Evaluation of Climate Change Impact." Advances in Meteorology 2016 (2016): 1–10. http://dx.doi.org/10.1155/2016/7957490.

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This study evaluates the effect of climate change on daily rainfall, especially on the mean number of wet days and the mean rainfall intensity. Assuming that the mechanism of daily rainfall occurrences follows the first-order Markov chain model, the possible changes in the transition probabilities are estimated by considering the climate change scenarios. Also, the change of the stationary probabilities of wet and dry day occurrences and finally the change in the number of wet days are derived for the comparison of current (1x CO2) and 2x CO2conditions. As a result of this study, the increase
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Born, Kai, Andreas H. Fink, and Heiko Paeth. "Dry and wet periods in the northwestern Maghreb for present day and future climate conditions." Meteorologische Zeitschrift 17, no. 5 (2008): 533–51. http://dx.doi.org/10.1127/0941-2948/2008/0313.

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Croft, B., J. R. Pierce, R. V. Martin, C. Hoose, and U. Lohmann. "Uncertainty associated with convective wet removal of entrained aerosols in a global climate model." Atmospheric Chemistry and Physics 12, no. 22 (2012): 10725–48. http://dx.doi.org/10.5194/acp-12-10725-2012.

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Abstract. The uncertainties associated with the wet removal of aerosols entrained above convective cloud bases are investigated in a global aerosol-climate model (ECHAM5-HAM) under a set of limiting assumptions for the wet removal of the entrained aerosols. The limiting assumptions for the wet removal of entrained aerosols are negligible scavenging and vigorous scavenging (either through activation, with size-dependent impaction scavenging, or with the prescribed fractions of the standard model). To facilitate this process-based study, an explicit representation of cloud-droplet-borne and ice-
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Quetin, Gregory R., and Abigail L. S. Swann. "Sensitivity of Leaf Area to Interannual Climate Variation as a Diagnostic of Ecosystem Function in CMIP5 Carbon Cycle Models." Journal of Climate 31, no. 20 (2018): 8607–25. http://dx.doi.org/10.1175/jcli-d-17-0580.1.

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The response of the biosphere to variation in climate plays a key role in predicting the carbon cycle, hydrological cycle, terrestrial surface energy balance, and the feedbacks in the climate system. Predicting the response of Earth’s biosphere to global warming requires the ability to mechanistically represent the processes controlling photosynthesis, respiration, and water use. This study uses observations of the sensitivity of leaf area to the physical environment to identify where ecosystem functioning is well simulated in an ensemble of Earth system models. These patterns and data–model c
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Gu, Hongliang, Jian Wang, Lijuan Ma, Zhiyuan Shang, and Qipeng Zhang. "Insights into the BRT (Boosted Regression Trees) Method in the Study of the Climate-Growth Relationship of Masson Pine in Subtropical China." Forests 10, no. 3 (2019): 228. http://dx.doi.org/10.3390/f10030228.

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Dendroclimatology and dendroecology have entered mainstream dendrochronology research in subtropical and tropical areas. Our study focused on the use of the chronology series of Masson pine (Pinus massoniana Lamb.), the most widely distributed tree species in the subtropical wet monsoon climate regions in China, to understand the tree growth response to ecological and hydroclimatic variability. The boosted regression trees (BRT) model, a nonlinear machine learning method, was used to explore the complex relationship between tree-ring growth and climate factors on a larger spatial scale. The co
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