Assessment of droughts in Romania using the Standardized Precipitation Index

A Practical Guide to Wavelet Analysis

Christopher Torrence, Gilbert P. Compo · Bulletin of the American Meteorological Society · 1998 · 14.9K citations · Full text

Natural Sciences, Earth Sciences, Meteorology +15

A Multiscalar Drought Index Sensitive to Global Warming: The Standardized Precipitation Evapotranspiration Index

Sergio M. Vicente‐Serrano, Santiago Beguerı́a, Juan Ignacio López‐Moreno · Journal of Climate · 2009 · 9.1K citations · Full text

Natural Sciences, Earth Sciences, Hydrology +17

Statistical Methods in the Atmospheric Sciences

Philip H. Ramsey, Daniel S. Wilks · Technometrics · 1996 · 7.7K citations

Natural Sciences, Earth Sciences, Meteorology +9

THE RELATIONSHIP OF DROUGHT FREQUENCY AND DURATION TO TIME SCALES

Thomas B. McKee, Nolan J. Doesken, John Kleist · 1993 · 7.5K citations

Natural Resources, Earth Sciences, Hydrology +16

The wavelet transform, time-frequency localization and signal analysis

Ingrid Daubechies · IEEE Transactions on Information Theory · 1990 · 6.4K citations

Engineering, Electrical Engineering, Physics +16