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#Libya #Water-from-Air Resource Charts

31/12/2013

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Libya location map
Libya location map (with latitude and longitude). Click to enlarge.
Important environmental issues in Libya are water scarcity, arable land availability, desertification, and oil development and pollution (UNEP, 2013, Arab Region Atlas of Our Changing Environment). Can water-from-air technology address the water scarcity issue?

Water-from-air Resource (WFAR) Resource Charts are available for three sites in Libya. These sites represent two climate zones. Operating conditions by month for atmospheric water generators range from unreliable to excellent depending on site latitude, elevation, distance inland from the Mediterranean Sea, and season. Please see the charts for details.

The table below ranks the sites from highest to lowest WFAR Annual Index. The coastal site of Darnah is suitable for year-round effective operation of water-from-air systems even though the water-from-air resource grade ranges from fair to excellent. In contrast, coastal Tripoli and inland Sabha will have periods of unreliable operation during the low sun season. Hourly water production analyses would be useful for better understanding the feasibility of water-from-air system operation at these sites.

Site
Elevation
Climate
(Main climates | Precipitation | Temperature
)
Water-from-Air Resource Annual Index
Darnah
Tripoli
Sabha
9 m
81 m
440 m
arid | steppe | hot arid
arid | steppe | hot arid
arid | desert | hot arid
0.79
0.69
0.50
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#Atlas of the #Water-from-Air Resource for #China

31/12/2013

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Sample page from the Atlas of the Water-from-Air Resource for China Sample page from the Atlas (click to enlarge).
The water-from-air resource for China is presented as a series of monthly colour-shaded maps. The resource is graded as being excellent, good, fair, or poor. The grading is based on specific humidity data at the 1000 mb pressure level. The data is from the USA’s National Oceanic and Atmospheric Administration. The grading system for the maps is designed to be compatible with the grading system used on the Water-from-Air Resource Charts issued by Atmoswater Research for various sites.


These maps offer a quick survey of the water-from-air resource in China. Decisions about deployment of water-from-air systems should also include knowledge from monthly models (suitable for tropical regions with monthly grades consistently ‘good’ to ‘excellent’) and hourly models (essential for temperate regions with variable monthly grades).






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#Morocco #Water-from-Air Resource Charts

12/12/2013

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Morocco location map
Morocco location map (with latitude and longitude). Click to enlarge.
Water-from-Air Resource (WFAR) Charts are available for four sites in Morocco. These sites represent three different climate zones.Operation conditions by month for atmospheric water generators range from unreliable to excellent depending on site latitude, elevation, distance from the Atlantic Ocean, and season. Please see the charts for details.

The table below ranks the sites from highest to lowest WFAR Annual Index. The coastal sites of Rabat and Casablanca have a good water-from-air resource allowing year-round effective operation of water-from-air systems.

At the higher elevation inland sites of Marrakech and Aguerdi, the water vapour resource in the low sun season decreases to the point where water-from-air systems will have unreliable water production during some periods. Hourly water production analyses are useful for better understanding the feasibility of water-from-air system operation at the inland cities.

Site
Elevation
Climate
(Main climates | Precipitation | Temperature)
Water-from-Air Resource Annual Index
Casablanca
Rabat
Marrakech
Aguerdi
61 m
74 m
465 m
449 m
warm temperate | summer dry | hot summer
warm temperate | summer dry | hot summer
arid | steppe | hot arid
arid | desert | hot arid
0.78
0.74
0.56
0.55
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#Tunisia #Water-from-Air Resource Charts

11/12/2013

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Tunisia location mapTunisia location map (with lat. and long.).
Water-from-Air Resource (WFAR) Charts are available for four sites in Tunisia. Operating conditions by month for atmospheric water generators range from "unreliable" to excellent depending on site latitude, elevation, and season. Please see the charts for details.

The table below ranks the sites from highest to lowest WFAR Annual Index.

Although Gabès and Gafsa are in the same climate zone (arid | desert | hot arid), water-from-air systems will perform better in the moister air of coastal Gabès.

The warm temperate climate of Tunis to the north has a more consistent water-from-air resource through the year than does the arid climate of Sfax to the south.

Tunisia's water-from-air resource exhibits considerable seasonal differences. On balance, the country is a reasonable choice for deployment of water-from-air systems.

Site
Elevation
Climate
(Main climates | Precipitation | Temperature)
Water-from-Air Resource Annual Index
Gabès
Tunis
Sfax
Gafsa
4 m
3 m
22 m
313 m
arid | desert |hot arid
warm temperate | summer dry | hot summer
arid | steppe | hot arid
arid | desert |hot arid
0.71
0.71
0.68
0.57
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#China #Water-from-Air Resource Charts

9/12/2013

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China location map
China location map (with latitude and longitude) showing locations which have available water-from-air resource charts (click on image to enlarge).
Water-from-Air Resource (WFAR) Charts are available for seventeen sites in China. Operating conditions by month for atmospheric water generators range from poor to excellent depending on site latitude, elevation, and season. Please see the charts for details.

The table below ranks the sites from highest to lowest WFAR Annual Index. Generally, water-from-air system performance is better at more southerly sites. Performance is better along the coast than further inland.
During the summer months of July and August, when drinking water scarcity is likely to affect people most, water-from-air systems will offer excellent performance except for Hohhot (fair), Taiyuan (good), and Kunming (good).

China appears to be a worthwhile market for drinking-water-from-air technologies. At least three equipment suppliers are based in the country.

Site
Elevation
Climate
(Main climates | Precipitation | Temperature
)

Water-from-Air Resource Annual Index
Guangzhou
Nanning
Chongqing
Nanchang
Chengdu
Hangzhou
Shanghai
Nanjing
Kunming
Xi'an
Qingdao
Jinan
Tianjin
Shijiazhuang
Beijing
Taiyuan
Hohhot
7 m
72 m
350 m
49 m
507 m
42 m
7 m
11 m
1891 m
397 m
77 m
57 m
4 m
84 m
54 m
778 m
1064 m
warm temperate | winter dry | hot summer
warm temperate |fully humid | hot summer
warm temperate | fully humid | hot summer
warm temperate | fully humid | hot summer
warm temperate | winter dry | hot summer
warm temperate | fully humid | hot summer
warm temperate | fully humid | hot summer
warm temperate | fully humid | hot summer
warm temperate | winter dry | warm summer
warm temperate | winter dry | hot summer
warm temperate | winter dry | hot summer
warm temperate | winter dry | hot summer
snow | winter dry | hot summer
warm temperate | winter dry | hot summer
snow | winter dry | hot summer
snow | winter dry | hot summer
arid | steppe | cold arid
0.99
0.99
0.82
0.80
0.70
0.75
0.75
0.71
0.59
0.59
0.57
0.52
0.51
0.50
0.47
0.42
0.30
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    Roland Wahlgren

    I have been researching and developing drinking-water-from-air technologies since 1984. As a physical geographer, I strive to contribute an accurate, scientific point-of-view to the field.

    Discover previous interesting and informative scientific/technical posts by clicking "<<Previous" at the bottom of each page!

    Buy the
    Drinking-Water-from-Air Technology: Investor's Guide ("WFA 101").


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