miriam rios sánchez nov/2009

Miriam Rios SánchezNov/2009

PIRE0530109

A Remote Sensing Approach to Characterize the Hydrogeology of Mountainous Areas: Application to the

Quito Aquifer System (QAS), Ecuador

GEOPHYSICAL RESEARCH

Aquifer Location & Setting

_Quito

_̂

_̂_̂

#0

#0

Ilaló Volcano

NONO

QUITO

GUAYLLABAMBA

Cayambe

Antisana

South America

Ecuador

Lineament mapping

RESEARCH PLAN

A'

/ Faults / discontinuities

A A'

Fractures Identified Using

SatelliteRemote Sensing

Fractures Geometry(VLF-EM & Geoelectric Methods)

Fracture characterization

GeophysicsHydrochemistry,Isotope analysis,

Existing data

`

Integration into Regional

Hydrogeological Model

Infiltration

Exfiltration

Geoelectrical Methods

“SUPER-STING”

Very Low Frequency-Electromagnetics (VLF-EM)

Adapted from the WADI instruction manual, ABEM Instruments, Inc.

“WADI”

* Between the vertical and the horizontal component

0

3

0

60

90

-90

-

60

-

30

20 40 60 80 100 120 160

Rat

io* (

%)

Distance along a profile (m) In-phase

Quadrature

PUEMBO PLATEAUS

SUPER-STING

Lineaments

SURVEYS

WADI

EL MOLINO

SUPER-STING

LineamentsSpring

SURVEYS

WADI

uravia

SUPER-STING

LineamentsSpring

SURVEYS

WADI

GUAYLLABAMBA AREA

Thermal band analysis

Vert. Sebauco

Vert. Villacis

Vert. Doña AnaVert. Sebauco 2

Vert. Pueblo Viejo

Vert. Santo Domingo 2

Vert. Santo Domingo 1Vert. Santo Domingo 3

Vert. Santo Domingo de Sevilla

0 0.5 1 1.5 20.25Kilometers

Ilalo Volcano Area