Drought Management in the Jucar River Basin, Spain by Andreu, J. 1, J. Ferrer-Polo 2, M. A. Pérez 1,andA. Solera 1

Transcripción

1 CANARIAS GALICIA PRINCIPADO DE ASTURIAS EX TR EMADURA CASTILLA-LEON CANTABRIA PAIS VASCO NAVARRA CASTILLA-LA MANCHA ANDALUCIA CEUTA MADRID LA RIOJA MELILLA MURCIA ARAGON VALENCIA CATALUÑA Júcar BA MED Working Group on Water Scarcity and Drought 17 February Drought Management in the Jucar River Basin, Spain by Andreu, J. 1, J. Ferrer-Polo, M. A. Pérez 1,andA. Solera 1 1 Water Resources Engineering Research Group, Institute for Water and Environmental Engineering (IIAMA), Universidad Politécnica de Valencia (SPAIN) Confederación Hidrográfica del Júcar (CHJ), Valencia, Spain Description of the Júcar River Basin Authority Surface (km ) 43. Permanent population Equivalent population due to tourism Irrigation surface (ha) Water demand 3.17 (hm 3 /year) 17% Demanda total por uso 1% 3% % Agrícola Urbano Industrial Ganadero Recreativo ximoand@upv.es % Demanda total por origen de los recursos % % 4% Superficial 4% Subterráneo Reutilización 5% Desalinización Transferencias (MCT) 1 Júcar en Albacete Parque Albufera de Valencia Júcar a.abajo de Tous hm año Year 5/6 historical minimum since 194/41 Three consecutive years of intense drought Natural discharge up to the Tous reservoir 194/41 194/ / / /49 195/51 195/ / / /59 196/61 196/ / / /69 197/71 197/ / / /79 198/81 198/ / / /89 199/91 199/ / / /99 /1 /3 4/5 6/7 3 Total contribution into Tous reservoir Average since 198 in Natural Regime Avegare contribution of historical Natural Regime 1

2 Drought monitoring: indicators used Use of different types of indicators: 1) Meteorological drought (SPI) ) Agricultural drought (Palmer) 3) Hydrological drought (historical position) 4). And use of institutional indicators CHJ drought indicators 5 Indicator Evaluation and Threshold Definition Identify the origin i of water resources associated to units with most important demand and representative indicator.5.5 selection: Pluviometry River Discharge Vmin Vmed Vl Volume kept tin reservoirs Status t Index Statust Piezometric levels in aquifers,75 1, NORMAL,5,75,3,5 PRE-ALERT,15,3 ALERT,,15 EMERGENCY 1 Vmax 34 singular indicators in JRBA: 9 reservoir volume 9 piezometric level 9 fluvial networks (3 months) 7 pluviometers (1 months) Ind Estado ÍNDICE SIST. Ind Estado ÍNDICE SIST. SISTEMA EXPLOTACIÓN SISTEMA EXPLOTACIÓN 31/3/8 EXPLOTACIÓN 3/9/8 EXPLOTACIÓN 1,99 1,93 Cenia-Maestrazgo,5,66 Cenia-Maestrazgo,49,6 3,74 3,7,56 4,39 4 Mijares-Plana de Castellón 5,8,67 Mijares-Plana de Castellón 5,8,73 6,66 6,7,55 7,35 7 Palancia-Los Valles 8,7,57 Palancia-Los Valles 8,9,7 9,61 9,54,88 1,3 1 11, 11,1 1,41 1,4 Turia 13,19,33 Turia 13,44,48 14,39 14,53 15,43 15,45 16,53 16,3 39,39 17, 17 18, 18,5 19,35 19,5,14,39 1, 1,38,58,97 Júcar Júcar,14,4 3,19 3,16 4,36 4,18 5,85 5,73 6,41 6,14 7,49 7,58 8,83 8,8 9,68 9,53 Serpis,64 Serpis,7 3,63 3,8 31 Marina Alta,78,78 31 Marina Alta,8,8 3 Marina Baja,91,91 3 Marina Baja,88,88 33,79 33,79 Vinalopó-Alacantí,73 Vinalopó-Alacantí,73 34,7 34,7 Drought indicators JRBA (31 March 8). Sistema Jun Jul Ago Sep Oct Nov Dic Ene Feb Mar Cenia-Maestrazgo,67,63,61,64,7,59,74,69,66,66 Mijares-Plana de Castellón,66,66,65,7,73,66,68,67,66,67 Palancia-Los Valles,66,61,55,64,67,59,68,61,58,57 Turia,44,39,38,4,44,45,43,39,37,34 Júcar,9,6,3,3,,19,16,14,14,14 Serpis,41,43,45,5,69,63,78,7,67,7 Marina Alta,51,51,55,69 1,,9,96,89,9,8 Marina Baja,8,8,8,85 1, 1, 1,,9,9,88 Vinalopó-Alacantí,74,73,83,95 1,,86,87,8,8,73 Drought status indicator per exploitation system Scenario Inputs Status Index Values Scenario outputs During Condition Condition Normal -,5 - Pre-alert 3 months ],5 -,3] 3 consecutive months in a row Ie,5 consecutive months Alert months in a row ],3 -,15] Ie,5 6 consecutive months Ie ],5 -,3] consecutive months months in a row <,15 Ie ],5 -,3] 6 consecutive months Ie ],3 -,15] Output Scenario Normal Pre-alert Alert SCENARIOS System Risk Valuation Scenario Cenia-Maestrazgo LOW NORMAL Mijares-Plana de Castellón LOW NORMAL Palancia-Los Valles LOW NORMAL Turia MEDIUM PRE-ALERT Júcar VERY HIGH EMERGENCY Serpis LOW NORMAL Marina Alta VERY LOW NORMAL Marina Baja VERY LOW NORMAL Vinalopó-Alacantí VERY LOW NORMAL

3 hydrologic year 4/5 Latest natural hydrologic flows Historical position 4/5 (1= worst position) Alarcón 161,3 5 Contreras 134,9 6 Alarcón-Molinar * 13,44 4 Contreras-Molinar-Tous 174,35 6 Tous-Sueca 54,99 48 Total up to Tous 684, 3 Total 939, 6 Hydrologic year 4/5 was the third year with low flows to Tous dam in the historical data series (194/41-4/5) Legal Framework Royal Decree 165/5, of October 1st, by which exceptional administrative measures are adopted for the management of hydrological resources and for the correction of drought effects in the hydrological basins of rivers Júcar, Segura and Tajo, extended until 3th November 8 by Royal Decree-Law 9/7, of October 5th. The Permanent Commission of the Governing Board, constituted on December 1st 5, has developed a detailed follow-up of the drought evolution, meeting up monthly. Thanks to its constitution, public participation is made effective in drought management. 9 1 Composition of the Commission: RD 165/5 Delegate organ from the Governing Board for the drought follow-up and management Entitled to vote (13) Presides: President of JRBA JRBA (3) : Commissioner, Technical Director, Head HPD of the JRBA. Ministries (): Industry (IGME) and MAPA CCAA (Autonomous Communities, 4) Users (3): Valencia Town Hall Real del Júcar Ditch. Iberdrola, S.A. In advisory capacity (4) Environmental Interest Defence: Agró Entrepreneurial Representation: AVA Union representation: CCOO Local Entities: Albacete municipality Numerous guests Meeting Calendar 1) 1 st December 5 ) 1 st December 5 3) 1 st January 6 4) 13 th February 6 5) 15 th March 6 6) 18 th April 6 7) nd May 6 8) 7 th June 6 9) 19 th July 6 1) 4 th August 6 11) 1 th September 6 1) 8 th September 6 13) 15 th November 6 14) 15 th December 6 15) 15 th February 7 16) th April 7 17) 18 th July 7 18) 17 th September 7 19) 31 st October 7 ) 1 th December 7 1) 15 th February 8 ) 14 th March 8 3) 18 th April 8 4) 1 th June 8 5) 16 th September 8 6) 17 th October 8 7) th December 8 8) 1 th March 9 3

4 DROUGHT INDEXES Allow to identify droughts and to compare situations (s-t) Percentage of normal Available resource / normal (average) resource Advantage: easy to understand Drawbacks: assumes normal distribution (average mode); it does not allow to compare places with different variance Continuous monitoring Drought indicators CHJ (31 January 6) Júcar => emergency Marina Alta => alert System Valuation risk State Index State Cenia-Maestrazgo LOW.55 STABLE Mijares-Plana de Castellón LOW.51 STABLE Palancia-Los Valles LOW.5 STABLE Turia MEDIUM.38 INITIAL ALERT Júcar VERY HIGH.13 EMERGENCY Serpis MEDIUM.3 INITIAL ALERT Marina Alta HIGH.8 ALERT Marina Baja LOW.58 STABLE Vinalopó-Alacantí MEDIUM.49 INITIAL ALERT Júcar management Simulation model AQUATOOL: DSS Shell designed for integrated management of complex water resource systems J. Andreu, J. Capilla, y E. Sanchis, Generalized decision support system for water resources planning and management including conjunctive water use, Journal of Hydrology, Vol. 177, pp ,

5 AQUATOOL MODULES Modular structure flexibility PRE PROCESSORS WATER MANAGEMENT MODELLING POSTPROCESORS Real time Drought Monitoring & Management Methodology Time Data Series Analyses Databases (Weather, flows, etc) Spatial maps HYDROGEOLOGY AQUIVAL HYDROLOGY ACTVAL MASHWIN PLANNING STAGE SIMGES OPTIGES R. TIME MANAGEMENT RISK ESTIMATION INTEGRATED MODELING GESCAL: WATER QUALITY CAUDECO: ECOLOGICAL Drought indicators (Precipitation, moisture, flows, operational, ) Simulation/optimization WRSM (in drought conditions) RISK ASSESSMENT Institutional indicators SPI indicator Palmer indicator Others OPTIRISK SIMRISK ECOGES: ECONOMICAL ASPECTS 17 Simulation/optimization Evaluate de effectiveness of measures in RISK REDUCTION Definition of Mitigation Measures 18 Captación Registro Transmisión Agrupación Transmisión Adquisición AUTOMATIC REAL TIME DATA ACQUISITION SYSTEMS Pluviómetro 6 vía radio Embalse Red Secundaria 8 repetidores vía radio (5 repetidores) vía satelite C.P.C Tratamiento, Punto de Concentración Punto de Control presentación y almacenamiento de la información Aforo en canal o río Cable Red primaria vía cable -Meteorology, Hydrology, State of system elements, Water qua February forecasts in Alarcón, Contreras Tous dams (hm3) Volume i and T Deterministic forecast: Future reservoir storage evolution Using same Inflows of last year (4/5) without applying any measures mes 56 ene 79 feb mar abril 199 may 119 jun jul ago sep 19 Inflows of 4/5 Operational volume 5

6 February Stochastic forecast (for 1 October 6 storage) Stochastic failures in demands (If the Supply to demands is the same as 4/5) Probability of failure in urban and agricultural areas Volume (hm3) ad(%) Probabilida Probabilidades de Fallo en Demanda. Demanda: Riegos Canal J-T 7 Deficit (75-1) Deficit (5-75) Deficit (5-5) Deficit ( - 5) Probabilida ad(%) Probabilidades de Fallo en Demanda. Demanda: Valencia Deficit (75-1) Deficit (5-75) Deficit (5-5) Deficit ( - 5) Volume Alarcón, Contreras and Tous Probability (%) Minimum Volume Oct-7 Sep-7 Ago-7 Jul-7 Jun-7 May-7 Abr-7 Mar-7 Feb-7 Ene-7 Dic-6 Nov-6 Oct-6 Sep-6 Ago-6 Jul-6 Jun-6 May-6 Abr-6 Mar-6 Feb-6 Meses Oct-7 Sep-7 Ago-7 Jul-7 Jun-7 May-7 Abr-7 Mar-7 Feb-7 Ene-7 Dic-6 Nov-6 Oct-6 Sep-6 Ago-6 Jul-6 Jun-6 May-6 Abr-6 Mar-6 Feb-6 Meses Measures and effectiveness 5/6 Use of drought wells (Conjunctive use) Reuse of waste water Water rights purchase to increment environmental flows Application of measures to save water: irrigation reduction, and alternative urban supply Public education trough media (Newspapers, ) Intensive monitoring and surveillance Other Other water sources measures Drought wells and pumping stations in irrigation networks 4 6

7 Proposal for campaign 6 to the PDC For Irrigation supplies Proposal for campaign 6 to the PDC For Urban and Industrial supplies REGADÍOS Suministro Suministro Reducción sobre 4/5 Propuesta 5/6 1994/95 4/5 Superficial Superficial Regadíos canal Júcar Turia % 16,1 Asignación para sustitución de bombeos y consolidación de MO 1 65 % 7,35 Riegos tradicionales Júcar (Ribera Alta) % 158 Riegos tradicionales Júcar (Ribera Baja) % 183 ABASTECIMIENTOS Suministro Propuesta Propuesta 5/6 Uso de recursos alternativos hasta límite técnicos 5/6 Origen Júcar Otros Orígenes Reducción del Júcar en el año completo Abastecimiento Albacete % Abastecimiento Valencia % Abastecimiento Sagunto % USO INDUSTRIAL Suministro Propuesta Propuesta 5/6 Central N. Cofrentes % 5 6 Effectiveness of the measures February forecasts (if measures are applied) Deterministic forecast: Future volume reservoir evolution Using same Inflows as last year (4/5) e in Alarcón, Contreras d Tous dams (hm3) Volume and mes ene feb mar abril may jun jul ago Supply of 4/5 With measures Minimum volume sep February Stochastic forecast for 1 October 6 (if measures are applied) Volume (hm3) Final state of dams at 1 october of Volume Alarcón, Contreras and Tous Probability (%) Minimum volume 7

8 dad(%) Probabilid Risk of failures in demands Probability of failure in urban and agricultural areas Probabilidades de Fallo en Demanda. Demanda: Riegos Canal J-T ad(%).5 Probabilidades de Fallo en Demanda. Demanda: Valencia Deficit (75-1) Deficit (5-75) Deficit (5-5) Deficit ( - 5) Deficit (75-1) Deficit (5-75) Deficit (5-5) Deficit ( - 5) Meses Probabilida Oct-7 Sep-7 Ago-7 Jul-7 Jun-7 May-7 Abr-7 Mar-7 Feb-7 Ene-7 Dic-6 Nov-6 Oct-6 Sep-6 Ago-6 Jul-6 Jun-6 May-6 Abr-6 Mar-6 Feb-6 Oct-7 Sep-7 Ago-7 Jul-7 Jun-7 May-7 Abr-7 Mar-7 Feb-7 Ene-7 Dic-6 Nov-6 Oct-6 Sep-6 Ago-6 Jul-6 Jun-6 May-6 Abr-6 Mar-6 Feb-6 Meses 9 Campaign 6. Agreement for irrigation supply REGADÍOS SUPERFICIALES Suministro Suministro Reducción sobre 4/5 Propuesta 5/6 1994/95 4/5 Superficial Superficial (hm 3 ) Regadíos canal Júcar Turia % 18,4 Asignación para sustitución de bombeosb y consolidación ió de MO 1 6 % 84 8,4 Riegos tradicionales Júcar (Albacete) (*) 8,7 8,7 45 % 4,8 Riegos tradicionales Júcar (Ribera Alta y Baixa) % 354 REGADÍOS SUBTERRÁNEOS Ahorro generalizado en las extracciones en el conjunto del acuífero de Mancha Oriental: 15% respecto a 46 hm 3 (61 hm 3 ). Posibilidad de materializar en tres años, con un mínimo del 5% en el primer año. Aprobada la modificación del Plan de Explotación de la JCRMO en su Asamblea del 5 de marzo de 6 Ahorro en las extracciones en pozos con afección prácticamente inmediata al río similar a las tomas superficiales: 45%. TRAMO MEDIO DEL JÚCAR Posibilidad de indemnización económica por reducciones adicionales Aportaciones acumuladas en los años hidrológicos 4/5 a 7/8 anteriores hm Júcar hasta Emb. Tous Turia en Emb. Benageber hm Action Plan 5/8 Actions to minimise environmental impacts Management and control action Actions to obtain additional resources Water Saving actions mes oct nov dic ene feb mar abr may jun jul ago sep mes oct nov dic ene feb mar abr may jun jul ago sep 4/5 5/6 6/7 7/8 Júcar: 5/6 el peor del período 194/8; y 4/5 el 3º peor; los otros 8º y 1º 4/5 5/6 6/7 7/8 Turia: 4/5 el 16º peor; 5/6 8º; 6/7 7º; y 7/8 11º (pero todos muy cerca en valor absoluto y muy secos)

9 Environmental measures Flow maintenance Wetland surveillance Surveillance and maintenance of minimum flows Irrigation Júcar River d al m 3/s abr-7 1-m ay-7 1-jun-7 1-jul-7 1-ago-7 1-sep-7 1-oct-7 1-nov-7 1-dic-7 1-ene-8 1-feb-8 1-m ar-8 1-abr-8 1-m ay-8 1-jun-8 1-jul-8 1-ago-8 1-sep-8 1-oct-8 1-nov Caud Q [El Picazo] Q [Los Frailes] 33 From aquifer From Júcar river Surveillance middle section of Júcar river Objective: flow maintenance downstream from Alarcón reservoir Use reduction 7-8 Public offer agreement for water rights acquisition in the middle section of the Júcar basin due to environmental reasons Júcar river in summer 1995 Júcar river in summers 6 and 7 Objective: Reducing extractions in the middle section of the Júcar river, both in surface water and in groundwater with a greater effect on the river flow. 7 Rights acquisition through reduction of irrigated surface. 8 Rights acquisition by using less water-consuming crops (spring crops)

10 Selection criteria: 1. Effects on river (- points). Offered price (- points) Extension: 8. has Right volume: 148 hm3 Time frame: seasons 7-8 Maximum amount Minimum amount,1957 /m 3,13 ( /m 3 ) 7 8 Uses reduction Maximum amount Celdas Inactivas Río Jucar Transmisividad 75 m /día 6 m /día 35 m /día 15 m /día 75 m /día 1 m /día 4 6 km Minimum amount.5 /m 3. ( /m 3 ) 37 OPAD 7: Use reduction 7-8 Total HGU Presented requests: 119 Right volume (hm 3 ) 56,8 Renounced volume (no economic compensation) (hm 3 ),9 Offered volume (hm 3 ) 7,3 Materialised budget (million ) 5,5 Reserved volume (hm 3 ) 6,6 OPAD (I,II,III) 8: Total HGU Presented requests: 34 Right volume (hm 3 ) 19,6 Renounced volume (no economic compensation)(hm 3 ) 1,5 Offered volume (hm 3 ) 5,6 Materialised budget (million ) 1,7 Reserved volume (hm 3 ) 46,5 Monthly and accumulated balance didas (hm3/mes) Ganancias-Pérd das (hm3) Picazo Los Frailes ah 4-5 ah 5-6 ah 6-7 ah 7-8 oct -8,78-4,19-4,9-3,87 nov -,36 -,47 -,6 -,7 dec 1,15 -,69 -,8 -,31 jan,44 -,34-1,85-1,4 feb,59 -,47-1,18 -,7 mar,56-1,83-1,1 -,18 apr -6,93 -,89-1,4 -,98 may -16,6-4,73 -,78 -,15 jun -14,95-6,1-4,1 -,55 jul -11,13-9, -3,74 -,86 aug -1,14-8,18-3,93-4,34 sep -6,75-5,83-4, -3,87 oct nov dic ene feb mar abr may jun jul ago sep ah 4-5 ah 5-6 ah 6-7 ah 7-8 Picazo Los Frailes 6 5 (Monthly accumulated) Ganancias-Pérdid oct nov dic ene feb mar abr may jun jul ago sep ah 4-5 ah 5-6 ah 6-7 ah 7-8 ah 4-5 ah 5-6 ah 6-7 ah 7-8 oct -8,78-4,19-4,9-3,87 nov -11,13-6,66-6,71-6,57 dec -9, , , , jan -7,54-7,69-1,63-9,9 feb -4,95-8,16-11,81-1,64 mar -4,39-9,99-1,93-1,8 apr -11,33-1,88-14,17-11,81 may -7,39-17,61-16,96-13,96 jun -4,34-3,6-1,16-16,51 jul -53,47-3,84-4,9-19,37 aug -63,61-41, -8,84-3,7 sep -7,35-46,85-3,86-7,58 Monitoring network in Albufera, Valencia 1

11 Environmental measures Albufera Lake Ramsar Wetland Monitoring network: Lake level Outflow in the 5 canals 41 Levels in Albufera lake (mm.s.n.m.) 1-oct 1-nov 1-dic 1-ene 1-feb 1-mar 1-abr 1-may 1-jun 1-jul 1-ago 1-sep Lake level in Pujol canal 7/8 Lake level in Pujol canal 6/7 Average level Lake level in Pujol canal 5/6 Salidas acumuladas (hm3) 1-oct 1-nov 1-dic 1-ene 1-feb 1-mar 1-abr 1-may 1-jun 1-jul 1-ago 1-sep Calibrated outflow in the 5 canals Salidas Gola Pujol 6/7 Salidas Gola Pujol 7/8 3) 1-oct 1-nov 1-dic 1-ene 1-feb 1-mar 1-abr 1-may 1-jun 1-jul 1-ago 1-sep Aportes acumulados (hm3) oct 1-nov 1-dic 1-ene 1-feb 1-mar 1-abr 1-may 1-jun 1-jul 1-ago 1-sep Salidas Totales 5 Golas 6/7 Salidas Totales 5 Golas 7/8 Salidas Gola Perellonet 6/7 Salidas Gola Perellonet 7/ Salidas acumuladas (hm3 1-oct 1-nov 1-dic 1-ene 1-feb 1-mar 1-abr 1-may 1-jun 1-jul 1-ago 1-sep Aportes acumulados (hm3) Salidas Gola Perelló 6/7 Salidas Gola Perelló 7/8 Management and control measures 44

12 Policy definition for the remaining of the campaign Júcar management simulation model Volumen almacenado en Alarcón, Contreras y Tous (hm3) hm3 año mes oct audal m3/s C a may jun Evolución reservas nov dic ene feb mar jul ago Volumen Mínimo abr may 4/5 5/6 1-oct-5 1-nov-5 1-dic-5 1-ene-6 1-feb-6 1-mar-6 1-abr-6 1-may-6 1-jun-6 1-jul-6 1-ago-6 1-sep-6 Apo_Tous_Sueca jun jul sep ago Media movil 15 dias sep Forecast made at 1 june 6: 115 hm3 Uncertainties: Inflows to Alarcón & Contreras Behavior B h i of the intermediate reach of Júcar river in Albacete Final reach flows downstream of Tous Inefficiencies (i.e.: pervious notice for change in intakes, illegal users,...) It is convenient to define a ROBUST framework to insure the final objective storage of 115 hm3: 1-Objective volume curves -Adaptive releases Storage & Outflow policy until the end of the hydrological year Final objective volumes (3 Sept): Total: 115 hm3: Alarcón: 55 hm3 Contreras: 5 hm3 Tous: 35 hm3 From current situation, and expected inflows, this volumes could be reached with the following reservoir outflow: Alarcón (downstream to Júcar river): 1 m3/s days aprox. (14 días si Taibilla) 5 m3/s until 3 Sept. Contreras: 7 m3/s until 31 Aug.,5 m3/s until 3 Sept. Tous (to Ribera irrigation): 18 m3/s in Jul. 16,5 m3/s from 1 a 5 Aug. 7 m3/s from 5 Ago. to 3 Sept. Caudal (m3/s) Objective outflows CAUDALES DE SALIDA 4, 35, 3, 5,, 15, 1, 5,, oct nov dic ene feb mar abr may jun jul ago sep oct mes ALARCON CONTRERAS TOUS

13 For additional resources Historical analysis of water supply Supply for the metropolitan area of Valencia with surface water from rivers Júcar and Turia Supply from other rivers Use of drought wells (joint use) Used water reuse hm / / Vol Total Júcar + Turia Vol River Júcar Vol River Turia Drought wells and re-pumping in the irrigation system 8 Real del Júcar Ditch Real de Escalona Ditch Real de Carcaixent Ditch Sueca irrigation union Cullera irrigation union Wells Repumping 8 8 Total premises Volume (hm3) Accumulated extractions in drought wells start-may jun jul aug sep oct nov-dec jan-feb mar-apr Mayor de la Villa and Honor de Corbera Ditch General Community from Canal Júcar-Turia Total

14 Monthly control Aquifers, Albufera Lake and Springs General Piezometry Basic Monitoring Network Albufera Piezometry Hydrometry Drought wells: flows, levels, and w.quality Specific drought network W. Quality of Re-pumping in irrigation network 53 Piezometry 46 Piezometry = 7 Piezometry and Quality 6 Quality = 33 Quality 7 Hydrometry 4 Hidrometry =4 GWB Valencia South Plain (Alcàntera del Xuquer) (Picassent) m.s.n.m (Gavarda) (Manuel) Enero de (Carcaixent) (Alzira) (Carlet) (Masalavés) (Carlet) (Alzira) 4-mar-6 3-abr-6 3-may-6 3-jun-6 3-jul-6 3-ago-6 -sep-6 -oct-6 -nov-6 -dic-6 -ene-7 1-feb-7 4-mar-7 3-abr-7 3-may-7 3-jun-7 3-jul-7 3-ago-7 -sep-7 -oct-7 -nov-7 -dic-7 -ene-8 1-feb-8 3-mar-8 -abr-8 -may-8 -jun-8 -jul-8 -ago-8 1-sep-8 -oct-8 1-nov

15 Volumes of treated water reused during drought EDAR Pinedo II. Extension Quart-Benatger Carraixet Paterna-Fte. del Jarro UDA Tradit. I. Vega de Del Oro Ditch Tradit. I. Vega de Tradit. I. Vega de Tradit. I. Vega de Tradit. I. Vega de Valencia. Valencia. Valencia. Valencia. Valencia. Rest of Ditches Rest of Ditches Rest of Ditches Rest of Ditches Real Ac de Moncada TOTAL Water conservation and saving measures User Favara Ditch (B) Del Oro Ditch (G) Ditches of Andarella (B), Rascanya Ditch (B) Tormos Ditch (G) Real de Moncada Ditch (B) Xirivella (B), Benager (B), Faitanar (B) y Favara (G) (thousand m 3 ) (thousand m 3 ) (thousand m (thousand m 3 ) (thousand m 3 ) (thousand m 3 ) 3 ) (thousand m 3 ) 5/ / / Volumen (hm m3) Measures implemented during the drought Yearly supply Turia and Júcar Other sources works 5-8 Supply Valencia_Turia Supply Valencia_Júcar Surf_Turia Surf_Júcar Middle stretch gain_júcar OPAD S Pumping Increased private wells CJT Increased private wells CCT Re-pumping Reuse Urban: Supply Valencia Júcar and Supply Valencia Turia Agricultural: Surface Júcar, Surface Turia, Pumping, Re-Pumping, Reuse Management: OPAD S, Middle stretch gain Júcar, Increased private wells

16 works Main investments in: Improvement in the supply guarantee for urban areas and sources for alternative resource Improvement in drinking water treatment systems Improvement in the efficiency of irrigation systems Budget Works (thousand ) Works , Works , Works , Works 8 (in course) 4.94, Total , 61 1,,9,8,7,6,5,4,3,,1, Global drought indicator in the Júcar system Drought Decree. RD 165/5 JÚCAR Evolución Indice de sequía Permanent Commission Constitution Action Plan Approval Special Drought Plan Approval Order Ministry of Environment 698/7 March 1st oct-1 feb- jun- oct- feb-3 jun-3 oct-3 feb-4 jun-4 oct-4 feb-5 jun-5 oct-5 feb-6 jun-6 oct-6 feb-7 jun-7 oct-7 feb-8 jun-8 Entry of the Júcar system in emergency scenario 6 Scenario Oct Ene Apr Jul Oct Jan Apr Jul CHJ Indicator,53,41,33,,16,13,14,14,9,13,1,9,3,16,14,34,4,46,53,44 Normalida d Pre-alert Pre-alert alert alert Vol. stored in Alarcón Contreras & Tous (hm3) Vol. Indicator,8,69,53,39,8,1,18,15,11,1,1,4,1,19,14,35,41,5,65,64 V. Alarcón (hm3) V. Contreras (hm3) V. Tous (hm3) RESTRICTIONS & SUPPLIES y subterráneo Zona Policía Riegos tradicional Albacete 8,7 45% 4,8 59% 3,6 59% 3,6 Aprobado 15% (en dos años), Extracciones MO 46 materializado 5% 358 % 74 5% 97 94* (en un año) Sust. Bombeos 1 6% 8,4 7% 6,3 81% 4, 17 Superficiales CJT 46 6% 18,4 7% 15, 61% 13, 8,1 Pozos Sequía 7, 11,6 1,8,3 Superficiales RT_Ribera_J Pozos Sequía 4, 43% 31,8 57% 8,7 54% 19,8,3 Oct Rebombeos 3,7 39,7 6,3 6,4 15,9 Jan Apr Jul Oct alert Jan alert Apr Jul Oct alert Jan Pre-alert Apr Pre-alert Jul Pre-alert 63 Drought indicators JRBA (3 September 8). SCENARIOS System Dec Jan Feb Mar Apr May Jun Jul Aug Sep System Risk Valuation Scenario Cenia-Maestrazgo,74,69,66,66,58,71,71,7,66,6 Cenia-Maestrazgo LOW NORMAL Mijares-Plana de Castellón LOW NORMAL Mijares-Plana de Castellón,68,67,66,67,6,65,68,68,65,73 Palancia-Los Valles LOW NORMAL Palancia-Los Valles,68,61,58,57,55,57,73,74,67,7 Turia MEDIUM PRE-ALERT Turia,43,39,37,9,33,39,5,51,48,48 Júcar HIGH ALERT Júcar,16,14,14,14,,9,34,39,38,4 Serpis LOW NORMAL Serpis,78,7,67,7,7,73,75,78,8,64 Marina Alta VERY LOW NORMAL Marina Alta,96,89,9,8,76,83,86,86,83,78 Marina Baja VERY LOW NORMAL Marina Baja 1,,9,9,88,84,85,91,91,93,91 Vinalopó-Alacantí VERY LOW NORMAL Vinalopó-Alacantí,87,8,8,73,57,75,8,8,77,73 Drought status indicator per exploitation system Status Index Values Scenario Inputs Scenario Outputs Output During Condition Condition Scenario Normal -,5 - Pre-alert 3 months a row ],5 -,3] 3 consecutive months Normal in Ie,5 consecutive months Alert months Ie,5 ],3 -,15] Pre-alert in a row 6 consecutive months Ie ],5 -,3] consecutive months months Ie ],5 -,3] <,15 Alert in a row 6 consecutive months Ie ],3 -,15] 64 16

17 Drought indicators JRBA (8 February 9). SCENARIOS May Jun Jul Ago Sep Oct Nov Dic Ene Feb Sistema Cenia-Maestrazgo Valoración riesgo BAJO Escenario NORMALIDAD,71,71,7,66,6,66,68,6,63,61 Cenia-Maestrazgo Mijares-Plana de Castellón BAJO NORMALIDAD Mijares-Plana de Castellón,65,68,68,65,73,74,7,68,68,68 Palancia-Los Valles BAJO NORMALIDAD Palancia-Los Valles,57,73,74,67,7,73,64,69,68,64 Turia BAJO NORMALIDAD Turia,39,5,51,48,48,53,61,6,6,63 Júcar MEDIO PREALERTA Júcar,9,34,39,38,4,44,51,46,47,49 Serpis BAJO NORMALIDAD Serpis,73,75,78,8,64,67,67,73,7,67 Marina Alta BAJO NORMALIDAD Marina Alta 83,83 86,86 86,86 83,83 78,78 6,6 67,67 51,51 56,56 56,56 Marina Baja MUY BAJO NORMALIDAD Marina Baja,85,91,91,93,91,81,97,97,88,91 Vinalopó-Alacantí BAJO NORMALIDAD Vinalopó-Alacantí,75,8,8,77,73,57,61,58,61,6 Drought status indicator per exploitation system Indicadores de sequía CHJ (31 Enero 1). ESCENARIOS Abr May Jun Jul Ago Sep Oct Nov Dic Ene Sistema Valoración riesgo Escenario,64,56,49,45,37,53,53,43,4,41 Cenia-Maestrazgo MEDIO PREALERTA Cenia-Maestrazgo Mijares-Plana de Castellón BAJO NORMALIDAD Mijares-Plana de Castellón,74,64,61,59,58,71,78,66,64,7 Palancia-Los Valles BAJO NORMALIDAD Palancia-Los Valles,6,6,68,63,55,7,71,57,5,58 Turia MUY BAJO NORMALIDAD Turia,7,68,64,58,58,63,66,65,67,8 Júcar MEDIO PREALERTA Júcar,55,48,44,41,4,47,46,41,51,6 Serpis BAJO NORMALIDAD Serpis,73,7,68,71,76,79,6,55,63,69 Marina Alta MUY BAJO NORMALIDAD Marina Alta,7,61,56,56,56,8,56,5,67,79 Marina Baja MUY BAJO NORMALIDAD Marina Baja,93,9,85,83,81,91,79,81,83,85 Vinalopó-Alacantí MUY BAJO NORMALIDAD Vinalopó-Alacantí,8,57,51,48,49,89,7,66,78,85 Indicador de estado de sequía por sistema de explotación Valores del Índice de estado Entradas a los escenarios Salidas de los escenarios Escenario Durante Condición Condición de salida Normalidad -,5-3 meses 3 meses consecutivos con Prealerta ],5 -,3] Normalidad consecutivos Ie,5 meses consecutivos con meses Ie,5 Alerta ],3 -,15] Prealerta consecutivos 6 meses consecutivos con Ie ],5 -,3] meses consecutivos con meses Ie ],5 -,3] Emergencia <,15 Alerta consecutivos 6 meses consecutivos con Ie ],3 -,15] Valores del Índice de estado Entradas a los escenarios Salidas de los escenarios Escenario Durante Condición Condición de salida Normalidad -,5-3 meses 3 meses consecutivos con Prealerta ],5 -,3] Normalidad consecutivos Ie,5 meses consecutivos con meses Ie,5 Alerta ],3 -,15] Prealerta consecutivos 6 meses consecutivos con Ie ],5 -,3] meses consecutivos con meses Ie ],5 -,3] Emergencia <,15 Alerta consecutivos 6 meses consecutivos con Ie ],3 -,15] CONCLUSIONS New drought management policy Planning and proactive vs. and reactive Special Drought Plans 5-8 Drought is the worst in recorded history Permanent Drought Commission Plans of action: Equilibrium Environment protection measures Control and management measures Water conservation Alternative resources generationmedidas de generación de recursos adicionales EFFICIENT resource allocation 67 We never have 1% reliability. Permanently prepared for droughts. EFFICIENT WATER MANAGEMENT DROUGHT ORIENTED Anticipation: CHJ-indicators + Risk assessment Permanent Conservation measures Special Plans for drought and Drought Manual Drought = CONFLICT: participation, negociation, transparency, tools and knowledge available to the stakeholders,... Thrust atmosphere, cooperation, consensus Important role of DSS as a tool for drought risk estimation, planning and management, eficiency of measures, and as a common shared vision among the stakeholders. 17

18 Thank you for your attention! 69 18