Talk:Choluteca river basin

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Notes[edit]

biological reserves of Yuerba Buena (the headwaters of the Choluteca)
In the case of Tegucigalpa, a city with around 1 million inhabitants, water is provided naturally by the Choluteca River and its tributaries that together form the Cabeceras catchment.-Coello
The catchment area is located in southern Honduras where it stretches over four administrative departments (Francisco Morazán, Choluteca, El Paraíso and Comayagua) covering 7,848 km2 (LOTTI, 2005) and drains into the Pacific Ocean. -Coello
Climatically the region is characterized by having only two seasons during the year: a rainy season lasting from May to October and a dry season from November to April with a short dry season of approximately 2 weeks starting at the end of July or the beginning of August. Importantly, the only way to guarantee water supply during the dry season is to store water during the rainy season.-Coello
During long summers, no water is released for this purpose from reservoirs as the ecological water consumption is expected to be covered by groundwater. In reality, however, the water is mainly coming from the very poor sewage system of Tegucigalpa that drains the polluted water directly to the Choluteca River as it crosses the city.--Coello
The Research and Technical Analysis Division (DIAT) from SANAA performed a study analyzing the Choluteca River’s water quality in different parts of the city during the rainy and dry seasons of 2003 and 2004 respectively. The values were compared to the expected values of treated sewage water. Table 3 illustrated the most severe case during the dry season of 2004, when the most extreme values were obtained. Figure 8 shows the sampling site on Choluteca River. Water quality is significantly improved downstream with the water provided by Rio del Hombre.--Coello (also a good graph on page 9)
Other protected areas in the area include the watersheds feeding the city’s reservoirs and the biological reserves of Yuerba Buena (the headwaters of the Choluteca), Uyuca, and Los Coralitos.-rapid urbanization
Informal developments are typically preceded by clear-cutting of invaded sites, which results in the loss of ground cover and vegetation. Since most of these settlements also lack appropriate drainage infrastructure, this practice has led to problems with erosion and stormwater runoff. Soil erosion is high in 6 micro-basins (Choluteca,.-rapid urbanization
The upper Choluteca River supplies water to the capital of Honduras, Tegucigalpa. The main problems for the capital are shortage of drinking water, bad water quality in the river and severe risk for flooding. The two first problems are related because all water is used for drinking purposes, turning the river into a principally sewage fed stream. Flooding is a result of hurricanes sometimes passing.-http://teknat.uu.se/forskning/program.php?vetenskapsid=1&hforskomr=8&id=98&lang=en
The department of Choluteca lies on the hot and dry southern Pacific coast of Honduras, traversed by the Pan-American Highway, and bordered by Nicaragua to the east. The name, thought to mean ‘broad valley,’ originates from the indigenous Chorotega tribe who inhabited the region prior to Spanish conquest.- http://www.hondurasthisweek.com/previousissues/1063-choluteca-boasts-agriculture-beaches-and-history
—Preceding unsigned comment added by Miguelaaron (talk • contribs) 20:24, 10 August 2009 (UTC)[reply]

Some quick comments[edit]

I suggest to move anything related to Honduras in general to the article WRM in Honduras
I am not quite sure how to deal with the overlaps between the article on the Choluteca River and this new article. One way may be to completely rewrite the Choluteca River article including a detailed section on management. Another one would be to keep the two articles separate and have all the information on the river itself in the article on the river, and then include a cross-reference to the new article WRM in the Choluteca River. I have a slight preference to have everything in the article on the river.
Among the three classical problems a river faces (drought, floods, water quality deterioration), can we establish which one is the most important one in this basin? I am not sure myself, but I do remember that flooding of the Choluteca River during Hurricane Mitch caused heavy damage in Tegucigalpa (mentioned in the River Choluteca article), so I imagine floods could be the most important issue. Data on floods and droughts (years, discharge levels, damages) would of course be very useful, if available.
The lead section still needs a lot of work in light of the above. I would always do it last when writing an article.
How many people live in the basin? How many live in urban and rural areas, respectively?
What is the water availability per capita and year in the basin in an average year? Would the basin be considered to be under water stress (less than 1,000 m3/cap/yr according to some)?
1.1 km3 of groundwater sounds a lot to me. Is water really scarce then? The GW figure refers to the entire Pacific basin. Is this identical to the Choluteca basin? What share of water resources in the Choluteca basin are GW and what share is SW?
What is the level of reservoir storage in the basin (total and per capita)?* Hydropower:Stick to the Choluteca basin.
What is the Global Climate Risk Index? It needs an explanation. You may even want to write a brief article (stub) on it, based e.g. on this publication http://www.preventionweb.net/english/professional/publications/v.php?id=8658
The whole part on climate change impacts in the basin is confusing:Do the models predict an increase or a decrease in rainfall?
Do you have any information about land use (forest cover, pasture, agriculture etc.), changes in land use (deforestation) and erosion in the basin? Could be useful.--Mschiffler (talk) 17:11, 5 September 2009 (UTC)[reply]

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