Articles | Volume 24, issue 4
Hydrol. Earth Syst. Sci., 24, 1985–2002, 2020
https://doi.org/10.5194/hess-24-1985-2020
Hydrol. Earth Syst. Sci., 24, 1985–2002, 2020
https://doi.org/10.5194/hess-24-1985-2020

Research article 22 Apr 2020

Research article | 22 Apr 2020

Catchment-scale drought: capturing the whole drought cycle using multiple indicators

Abraham J. Gibson et al.

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Cited articles

AVHRR – Advanced Very High Resolution Radiometer: AVHRR Normalized Difference Vegetation Index (NDVI) Composites Digital Object Identifier, https://doi.org/10.5066/F7707ZKN, 2020. 
BBC: Cape Town drought: South African city may avoid `day zero', available at: https://www.bbc.com/news/world-africa-43321093, last access: 23 April 2018. 
Below, R., Grover-Kopec, E., and Dilley, M.: Documenting drought-related disasters: a global reassessment, J. Environ. Dev., 16, 328–344, https://doi.org/10.1177/1070496507306222, 2007. 
Botterill, L. C.: Uncertain Climate: The Recent History of Drought Policy in Australia, Aust. J. Polit. Hist., 49, 61–74, https://doi.org/10.1111/1467-8497.00281, 2003. 
Botterill, L. C. and Cockfield, G. (Eds.): Drought, Risk management, and policy: Decision-making under uncertainty. Drought and water crises, CRC Press, Taylor and Francis Group, Boca Raton, Florida, USA, 33487–2742, 2013. 
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To be better prepared for drought, we need to be able to characterize how they begin, translate to on-ground impacts and how they end. We created a 100-year drought record for an area on the east coast of Australia and compared this with soil moisture and vegetation data. Drought reduces vegetation and soil moisture, but recovery rates are different across different catchments. Our methods can be universally applied and show the need to develop area-specific data to inform drought management.