UHOHIFPRI UTalcaUfZINIA

Introduction

Wasim-ETH Subcatchment definition and Water

Flow for Irrigation Files for Coupling Wasim and MAS Reservoir Problems in input data, running,

coupling Scenarios for Reservoir Survey location

Project Area

Location Bocatomas in 4 Rivers

Longavi = 19 Ancoa = 29 Putagan = 13 Achibueno =

22

Ancoa y Putagan NOMBRE CODE MELADO ANCOA E N LadoAlamos-Lama 203 120 2000 282732 6022392 dBarros Nort 210 0 9 278365 6022187 dVillega Ben 218 0 45 268318 6022881 dBomba Patag 225 0 60 261942 6026085 iSan Antonio 213 1 6 275729 6023277 dEl Molino 201 0 8 292751 6023785 iEnc Let Mon 205 228 2000 281644 6022182 dEspinela 207 0 2 281039 6021967 iFerrada Iba 224 12 163 262097 6026079 dFuentealba 217 0 58 268770 6022879 iGaete 204 0 1 282252 6022178 iGonzalez Ib 222 8 177 262749 6025885 dIbanez 216 0 600 274552 6022871 dIbarra-Vasq 212 0 153 276142 6023437 iCanada Zara 211 103 442 276640 6023282 dLeiva 208 0 1 280142 6021581 iALIM LLEPO 400 767 0 278615 6022082 iRojas L Rob 221 1 140 265546 6024197 iMaitenes 226 12 239 261347 6027476 dMargarita 223 8 285 262340 6025978 dMunoz 214 0 100 275046 6023289 dpalacios 220 0 23 267845 6023177 dPando-Der 209 67 710 278921 6021978 dRetamal Anc 206 0 2 281466 6022171 iSan Bartolo 219 0 140 268046 6022961 isan Juan 215 0 11 274742 6022985 iVecinal 202 0 45 288980 6023077 iMELADO 500 1504 0 308641 6028880 dROBLERIA 600 212 0 300748 6029579 d

3043 7420

NOMBRE CODE E N Putagan Lado MeladoPrimavera 104.00 281118 6030293 40 i 0Campos 107.00 278244 6031479 379 d 0El Carmen 105.00 280837 6030382 80 i 0Soledad 102.00 287242 6031186 0 i 8Putagan 110.00 266157 6037678 4251 i 0Viznaga Leiva 111.00 261129 6036688 1004 d 0Melozal Matriz 112.00 260040 6036883 2000 i 0ROBLERIA 800.00 294846 6030478 0 i 212Rabones 101.00 293543 6031093 0 d 49Putagan-Matanza 103.00 285840 6030882 0 d 130Putagan-Quiuquenes 106.00 279235 6031087 0 i 15El Pato 108.00 276451 6033085 0 d 12San Bartolome 109.00 273455 6036488 110 i 0

7864 426

Achibueno y Longavi

NOMBRE CODE E N Melado Achibueno LadoLongavi-Melado 700 274946.97 6018867.22 561 0 iALIMENTADOR LLEPO 400 274944.93 6018777.94 767 0 dPena 302 277648.82 6014678.27 0 30 dGallego 303 277549.86 6014580.91 0 30 dMESAMAVIDA-CUARTA 304 274944.89 6018963.98 0 2981 iCASTRO 305 274948.20 6019069.40 0 130 iSAN LUIS 306 274949.06 6019173.53 40 1423 iTAPIA VASQUEZ 307 275044.83 6019680.01 0 975 iQUINE 308 273348.02 6021477.11 8 208 iCIA DE FORSFOROS 309 273435.84 6021478.51 0 300 iEL ALMENDRO 311 272437.90 6022782.90 35 1933 dULISES ALARCON 313 267948.79 6023034.91 4 330 iBODEG S Luis S Ram Rec 314 267647.47 6023297.96 61 1457 iHUAPI VALDERRAMA TUC 312 269846.52 6023088.79 5 1137 dLA AGUADA-SAN GABRIEL 315 266649.93 6023886.83 0 1739 iMOLINO OLATE URRUTIA 301 277742.08 6014576.05 0 60 dLA ISLA 310 272541.51 6022687.01 0 0 dYANEZ ROJAS 316 265755.80 6024085.52 0 30 dCUELLAR O HIMEO 318 260452.25 6028379.39 0 659 iTAPIA 317 260666.94 6028379.91 0 815 iALVAREZ FUENTEALBA 319 260446.12 6028507.45 0 300 iLOYOLA 320 259047.07 6029082.17 0 626 i

1481 15163

Nombre Code E N AccAlimentador Diagua 900 273043.8 5986884.4

Quinta Alta A 401 272542.4 5987481.0 227.2S Jose 5ta Al B- Amal 402 271243.1 5987781.1 265.0San Marcos 403 268549.3 5991990.1 275.53

San Nicolas 404 267945.5 5992883.1La Sexta- La Tercera 405 267140.3 5993981.1 524.2Robles Nuevos 406 265446.8 5995585.7 168.4Robles Viejos 408 263341.4 5997285.9 150.7

Quinta Abajo 407 265073.8 5996287.9 269.2Nogales-Molino 409 262132.1 5997986.8San Iganacio 410 262038.6 5998092.4Copihue 411 260840.7 5999191.0Retiro 412 259638.0 6000379.3 1096.1Las Mercedes 413 259449.6 6000693.3 536.3Rosas- La Piedad 414 259241.9 6000780.2 51.0Primera Arriba 415 258544.6 6002396.3Carmen-Gragino 416 257831.7 6003981.0

Maitenes-Cunao 417 257944.0 6004164.3 2103Primera Abajo 418 256038.7 6006668.5

Channels

Spread the water in different Irrigation Areas

Define Irrigation Areas

EDIC Sectors

Associated a channel distribution there are Irrigation Sectors

20 Sectors (4–5)

Pour Point (Subcatchment

) Bocatomas were

aggregated in 1 or 2 per river

Embalse Ancoa Alto External Input (Flow

station) Achibueno_La

Recoba Longavi_Quiriquina Perquilauquen_unre

al Flow Station for

control Loncomilla Bodega, Locomilla_Las Brisas Ancoa_El Morro Putagan_ Yerbas

Buenas

Subcatchment

15 Subcatchment

Final Sectors

Intersection of EDIC Sectors and Wasim Sub catchment

Nº > 187 Water

distributed Proportionally inside EDIC sector

Water Distribution Table

subcatchID WasimSecID EDIC_ID Melado9_maxMelado9_%Rari60_maxRari60_%Putagan21_maxPutagan21_%1 3 03-a 0.0 0.0 0.0 0.0 0.0 0.02 3 04-e 1765.5 5.5 0.0 0.0 22.4 0.53 3 04-g 1780.7 5.5 0.0 0.0 0.0 0.04 3 04-j 1067.5 3.3 0.0 0.0 0.0 0.05 3 04-i 150.0 0.5 0.0 0.0 26.0 0.66 3 03-b 0.0 0.0 0.0 0.0 0.0 0.07 3 04-d 1539.5 4.8 0.0 0.0 538.3 11.78 3 04-c 0.0 0.0 160.8 53.6 0.0 0.09 3 04-a 150.2 0.5 0.0 0.0 0.0 0.010 3 04-b 297.0 0.9 135.3 45.1 0.0 0.011 3 04-h 1622.5 5.0 0.0 0.0 0.0 0.012 43 04-m 0.1 0.0 0.0 0.0 0.0 0.013 43 04-n 0.2 0.0 0.0 0.0 0.0 0.014 1 03-a 0.0 0.0 0.0 0.0 0.0 0.015 1 09-c / 09-d 0.0 0.0 0.0 0.0 0.0 0.016 1 03-c 0.0 0.0 0.0 0.0 0.0 0.017 1 04-f 0.0 0.0 0.0 0.0 0.0 0.018 1 09-c 0.0 0.0 0.0 0.0 0.0 0.0

Running Wasim

For Wasim is important the water flow between subcatchment

In 7 is the Ancoa Dam and enter Melado Channel

From 9 are distributed Melado water right

Water Sources and Irrigation zones

Different situations (Melado, Ancoa, Achibueno, Longaví, Putagan) in Network Channel

Only Melado water right Only Ancoa water right Only Achibueno water right Ancoa y Melado water right Ancoa y Achibueno water right Achibueno y Melado water right

Putagan and Melado water right Putagan and Ancoa water right Only Longavi water right Longavi and Melado water right Rari water right Longavi, Achibueno, Melado water

right Digua water right from Longaví

SUBCTAHMENT 9 (50) 60 3 (22) 21 31 42 43 51 51 53GRIDCODE Melado_% Rari_% Putagan_% Ancoa_% Achibueno1_% Achibueno2_% LongaviPer_% LongaviEve_% Longavi_2_%

1 29.02 0.00 87.11 48.65 15.44 38.89 0.00 0.00 0.29

3 26.20 100.00 0.00 12.89 33.35 13.83 0.00 0.00 0.00 0.00

9 0.07 0.00 0.00 0.03 0.00 0.00 0.00 0.00 0.00

11 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

12 38.13 0.00 0.00 10.49 29.68 57.75 92.91 90.86 98.01

31 3.35 0.00 0.00 5.09 1.52 0.00 0.00 0.00 0.00

42 0.38 0.00 0.00 0.09 1.99 0.00 0.00 0.00 0.00

43 2.76 0.00 0.00 2.31 19.13 3.37 0.00 0.00 0.00

51 0.00 0.00 0.00 0.00 0.00 0.00 1.04 1.78 0.00

53 0.10 0.00 0.00 0.00 0.00 0.00 6.05 7.36 1.70

WATER SOURCES

IRR

IGA

TIO

N Z

ON

ES

Water Sources and Irrigation zones

Water Right, acciones and regadores

1 regador from Melado Channel is 15 l/s 1 acción from Ancoa river is 1.0 l/s 1 acción from Achibueno river is 1.474 l/s 1 accion from Longavi river is 1.5 l/s (permanent

right) and 1.0 l/s (eventual right). 1 accion from Putagan river is 1.0 l/s Eventual Right from Ancoa river. Not used

actually. Government Property.

This values are considered for maximal flow estimation

Running Wasim

Wasim RUN I- Bocatomas

Wasim RUN II-Irrigation-Reservoir

Abtra_XX_YY

External Abstraction

MASE

xte

rna

l In

flow

Irrigation.IRR

¿Potential Evapotranspiration?1 Month, daily

Monthly file, daily data

External Abstraction and Inflows

(Water Flow between Sub catchments)

Abtra_XX_YY

External Abstraction

Ext

ern

al

Inflo

w

Water From Water To

FILE FORMAT

Running Wasim Reservoirs

Q

J F M

Q = f(Vol, Area irrigated)

Time

Q management

V

Water loses:-Evaporation-Filtrations

EXTERNAL ABSTRACTION

Input:Wasim

1. Define Maximal Volume (Occurrence Probability 85%).

2. Analysis for different Volumes.

• Using cost in Ancoa Study

• Q Management• MAS• Different options for

distributionΣQ = V85%

OTH

ER

US

ES

Problems waiting for solutions

Clearing Water Right in the rivers Inflow Water from Maule Sur are missing Water flow generation in Putagan and

Ancoa basins (difficult calibration in summer for irrigation and melt)

GW is important for calibration Potential Evapotranspiration (low values

in February and march for irrigation schedule)

Use Case: Ancoa Reservoir

V

Melado

Ancoa

Putagan R.

Ancoa R.

Achibueno R.

Longavi R.M

elado Channel

Ancoa Reservoir

Other Irrigation Zones

Bullileo Reservoir

To Digua Dam

Rari R.Other S

ources

Robleria

Llep

o

Long

-Mel

.

LO

NC

OM

ILL

A R

IVE

R

Use Case: Ancoa Reservoir

Reservoir Volumes: 120, 100, 90, 80, 75, 50 y 40 millions of m3

Combination of Water Sources: Ancoa and Melado (totally, 25 m3/s) water resources Ancoa and Melado (totally, 19 m3/s) water resources Ancoa and Melado (19 m3/s and 50%) water

resources Ancoa, Melado and Achibueno (improving Robleria

Channel) Ancoa and Achibueno

Water Price($5, 10, 15, 20, 25) Inclusion of Canal Melozal

Survey Location

Survey Location

Research Question1. Technification of irrigation methods and Small Reservoir

• Effect to improve the irrigation effiency upstream, over the water availability downstream.

2. System Efficiency including water reuse• Wish is the irrigation effiency in the basin level, including the water

reuse

3. Dam Evaluation (Ancoa)• Projection of water disponibility, water price, irrigated area, and farmers

incomes.• Comparison of options of management (utility of farmers, rubros

changes, soil use, trancision time, irrigation technology).

4. Comparison of options to improve small irrigation structures• Analysis of Possible Investment in small irrigation structures.• Implications in basin level (increase in irrigation surface, reduction in

water return or reuse) of small irrigation structures.

5. Environmental Implication Reseach • Water Quality

Research Question6. Water Market

• Benefit and Cost of Water Rent. Impact to change kind of short contract (1 year) for long contract (10 years).

7. Water Reduction in the future • Effect of low water disponibility and higher variability ih

thr future (climate change).

8. Superficial and Groundwater Conjunctive use • Beneficios of thr conjunctive use of surface water and

grounwater.9. Farmer’s optimization behavior