Showing 1 - 10 of 31
The Piracicaba river basin is a subtropical watershed located in the southeastern region of Brazil. With an area of 12 400 km<Superscript>2</Superscript>, the basin is a typical example of new landscape resulting from development in tropical and sub-tropical regions: establishment of intensive industrial and agricultural...</superscript>
Persistent link: https://www.econbiz.de/10010997406
The objective of this study was to examine the trends of changes in streamflow in a watershed of the Loess Plateau, where a series of soil conservation measures were implemented since the late 1950s. Both parametric and non-parametric Mann–Kendall test were used to identify the trends in...
Persistent link: https://www.econbiz.de/10010997469
The main aim of our research project was to determine the extent to which the outflow can be influenced by human interventions in three selected water basins in the Šumava Mountains (Black Forest) and its foothills. The rainfall-runoff analyses using both the single-mass and double-mass curves...
Persistent link: https://www.econbiz.de/10010998096
Global climate change could have important effects on various environmental variables in many countries around the world. Changes in precipitation regime directly affect water resources management. So that, it is important to analyze the changes in the spatial and temporal rainfall pattern in...
Persistent link: https://www.econbiz.de/10010998097
Evaporation is an important component of the hydrological cycle and its change would be of great significance for water resources planning, irrigation control and agricultural production. The main purpose of this study was to investigate temporal variations in pan evaporation (E<Subscript>pan</Subscript>) and the...</subscript>
Persistent link: https://www.econbiz.de/10010998143
Identifying the trends of climate and hydrological changes is important for developing adaptive strategies for effective water resources management. Many studies focused on the prediction of future climate at a regional/global scale using General Circulation Models (GCM) or these models’...
Persistent link: https://www.econbiz.de/10010949767
Based on data characteristics and nonparametric test, a new statistical temporal change analysis approach is proposed. The new approach consists of data characteristics analysis, temporal change analysis (including both change point and trend analysis), and result interpretation. Data...
Persistent link: https://www.econbiz.de/10010794121
The non-parametric Mann-Kendall (MK) statistical test has been popularly used to assess the significance of trend in hydrological time series. The test requires sample data to be serially independent. When sample data are serially correlated, the presence of serial correlation in time series...
Persistent link: https://www.econbiz.de/10010794168
Under the background of global climate change, hydrological responses to climate change were investigated in Northeastern China. This study analyses the trends of annual and seasonal temperature, precipitation and streamflow series in Nenjiang River Basin. Correlations between streamflow and...
Persistent link: https://www.econbiz.de/10010794455
Regional drought modes in Portugal are identified applying the Principal Component Analysis (PCA) and Varimax rotation to the Standardized Precipitation Index (SPI) computed on various time scales using the three precipitation datasets covering the period 1950–2003: (i) The observation dataset...
Persistent link: https://www.econbiz.de/10011151777