Water Resources for Water Resources for Hermosillo, Sonora, Mexico.Hermosillo, Sonora, Mexico.

Jose GuerenaJose Guerena

November 21, 2002November 21, 2002

ObjectiveObjective

The principal objective of this project is to The principal objective of this project is to use the GIS program to analyze the use the GIS program to analyze the collected data on the state of Sonora and collected data on the state of Sonora and the city of Hermosillo, and be able to reach the city of Hermosillo, and be able to reach some conclusions from it.some conclusions from it.

LocationLocation The city of Hermosillo is The city of Hermosillo is

located in the northwest part of located in the northwest part of Mexico, in the middle west part Mexico, in the middle west part of Sonora.of Sonora.

The exact location of The exact location of Hermosillo is: Hermosillo is:

110º57’00’’ W, 29º05’00’’ N.110º57’00’’ W, 29º05’00’’ N.

Why?Why?

Hermosillo is located in a desert, with high temperatures Hermosillo is located in a desert, with high temperatures and low precipitation; the main economical activity is and low precipitation; the main economical activity is agriculture, wish consumes most of the available water agriculture, wish consumes most of the available water in the region; and there have not been a lot of rain in the in the region; and there have not been a lot of rain in the last 7-8 years.last 7-8 years.

These are the principal reasons why people are very These are the principal reasons why people are very

concerned about the water resources in Hermosillo.concerned about the water resources in Hermosillo.

mm/year0-100100-200200-400400-600600-1000

Precipitation

DATADATA

Political MapsPolitical Maps

Mexico, states, cities, United Mexico, states, cities, United States.States.

Geographic Geographic coordinates.coordinates.

30 m DEM30 m DEM

DATADATA

Rivers and water bodies of Rivers and water bodies of MexicoMexico

Precipitation dataPrecipitation data

General data of HermosilloGeneral data of Hermosillo

PopulationPopulation

AreaArea

TemperatureTemperature

AltitudeAltitudemm/year0-100100-200200-400400-600600-1000

Precipitation

DATADATA

Monitoring Points:Monitoring Points:

Latitude, LongitudeLatitude, Longitude

Qmax, Qmin, Qmed. Per month in rivers.Qmax, Qmin, Qmed. Per month in rivers.

Volume, Qin, Qout. Per month in Dams.Volume, Qin, Qout. Per month in Dams.

Q per month in water treatment plants.Q per month in water treatment plants.

Precipitation (date, mm)Precipitation (date, mm)

Note: The years from wish the data was collected varies on each Note: The years from wish the data was collected varies on each monitoring point. Goes from the 1937 to 1995.monitoring point. Goes from the 1937 to 1995.

What I am trying to find out:What I am trying to find out:

Watershed of Sonora, particulary the Watershed of Sonora, particulary the one of the Rio Sonora and San one of the Rio Sonora and San Miguel.Miguel.

Maximum, minimum and mean total Maximum, minimum and mean total precipitation in the watershed per precipitation in the watershed per year.year.

Length and drainage area of the Rio Length and drainage area of the Rio Sonora.Sonora.

What I am trying to find out:What I am trying to find out:

Qmax, Qmin, Qmed for the Rio Qmax, Qmin, Qmed for the Rio Sonora.Sonora.

Return periods for rains and Return periods for rains and droughts, and also the duration droughts, and also the duration of the last ones.of the last ones.

A mass balance on the dam.A mass balance on the dam.

Questions ???Questions ???