Groundwater mining in arid and hyper-arid conditions: some reflections from Africa and South America.
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Groundwater mining in arid and hyper-arid conditions: some reflections from Africa and South America. J. Molinero, AMPHOS SL. International Annual UN-Water Zaragoza Conference 2012/2013. Preparing for the 2013 International Year. Water Cooperation: Making it Happen! 8-10 January 2013
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Groundwater mining in arid and hyper-arid conditions: some reflections from Africa and South America.
- 1. Groundwater mining: Some reflections from Africa and South America Jorge Molinero January 2013
- 2. Contents 1. Introduction 2. Andean zone 3. Sahara zone 4. Some reflexions
- 3. Geographic distribution of water resources
- 4. Arid Andean Zone – Hydrogeologic framework Gali & Dingman (1962) in Magaritz et al. (1990): How to propagate errors along the time…
- 5. ANALÍTICA 2001 y 2004 CORTE GEOLÓGICO (militar), Escuela de mutilados de guerra y proyeco avícola COMENTARIOS CONSTRUCCIÓN 2 bombas: 1 sumergible y una de aspiración. 1950 Supuestamente aquí hay una gran bolsa de Saharian Zone: Hyper-arid agua. En teoría es para la agricultura pero en el huerto la beben. Bombea 4 horas por la GEOLOGÍA mañana (año 2004 11h/día. El nivel estaba a +1.5 m y no bajaba de -2 m) Agriculture Drinking water supply
- 6. Saharian Zone: Hyper-arid Mine Dewatering Mineral Processing
- 7. This is an (endorreic) Basin in the “High Cordillera”
- 8. This is the “Pampa” (Hyper-arid valley) High cordillera Groundwater discharge
- 10. Water consumption by mining industry in Chile 500,000.0 ton/y x2 10 mm 100 Km2 Is that sustainable ?
- 11. Some reflections • Extensive groundwater resources available in hyper- arid regions. • Growing population (improving living conditions and development) • Increasing agriculture (good conditions for high value crops) • “Boom” of mining activity (steady increase of metals’ price by demand in emerging economy) • Conflicts (low level) between different users already exist and could be expected to increase • A need of water management models/doctrines specific for arid an hyper arid environments. Traditional or “modern” water management paradigms are not valid here!
- 12. ESPAÑA AMPHOS 21 CONSULTING, S.L. Paseo de García Faria, 49-51 08019 BARCELONA Tel.: +34 93 583 05 00; Fax : +34 93 307 59 28 CHILE AMPHOS 21 CONSULTING CHILE Ltda. San Sebastián 2839, of. 701-A Las Condes, 7550180 SANTIAGO DE CHILE Tel.: +56 2 7991630 PERÚ THANKS! AMPHOS 21 CONSULTING PERU, S.A.C. Av. del Parque Sur 661, San Borja Lima 41 Tel.: +511 592-1275 FRANCE AMPHOS 21 CONSULTING FRANCE SARL 14 Avenue de l’Opéra 75001 PARIS Tel.: +33 1 46946917