24 Questions 83 Answers 0 Followers
Questions related from Zhonghe Pang
Just in the past summer, in Germany and other western European countries, once in 400 years large storms hit the region and caused casualties and significant property loss. Similarly in the...
29 August 2021 6,858 0 View
In large sedimentary basins surrounded by mountainous glaciers, mountainous runoff feeding the basin increases as a consequence of enhanced glacier melting. In this context, it woud be useful to...
28 April 2020 621 19 View
Along the paleo-Tethys tectonic belt, the extention of the Himalayan geothermal belt, it would be interesting to investigate the origin of the high-T geothermal systems through comparison due to...
19 April 2020 2,710 0 View
Afforestation has been used as a way to make a dry land greener so as to prevent desert to migrate, the so-called Three North Afforestation Project (TNAP) in China is a good example. It has been...
10 March 2020 9,322 8 View
Age Dating of old groundwater is a challenging task. Recently Krypton dating tool has been developed. Is this a promising start of a bright future for groundwater investigations?
18 March 2019 704 3 View
Jiuzhaogou site was among the first group of natural bueaties in China that were designated as the World Heritage by UNESCO. Its natural wonders are really spectacular! It is a must-visit place of...
15 August 2018 1,129 1 View
High floride in groundwater is causing health problems for people drinking the water. The origin and evolution of the high floride water is an issue of pressing importance.
08 December 2017 4,078 10 View
In many geothermal systems in the Himalayas, carbon dioxide concentration is high and calcite scale is common, preventing the resources being properly utilized for power generation. It has been...
14 June 2017 9,125 3 View
Geothermal waters in large sedimentary basins are being used for space heating and other purposes globally. It is neccessary to streamline the various factors that may contribute to the formation...
09 May 2017 4,127 3 View
In wetlands terrains, impermeable clay layers are usually found above the sandy aquifer (s), it is neccessary to determine if the groundwater in the aquifer is recharged from vertical pentration...
05 June 2016 8,027 4 View
In geothermal energy development, a major technical barrier is the single well capacity. Through enhancing existing geothermal reservoirs with hydrofracturing and other techniques, it is possible...
22 May 2016 687 3 View
In 1963, Toth published his well-known work on groundwater systems. What are the advances in terms of hydrogeology theory after Darcy, Theis, et etc. Is it as simple as a revision of the concept...
17 April 2016 6,111 10 View
In the study of groundwater circulation in large sedimentry basins, it is neccessary to predict permeability variations with dpth. Different models have been proposed, such as linear and...
15 April 2016 4,670 5 View
In large sedimentary basins with uneven surface, terrain induced groundwater circulation creates different scales of cycles, therefore different length of flowlines. What is the longest and how is...
12 April 2016 2,603 5 View
Geothermal waters are contained in formations in large sedimentary basins around the world. However, injection of used water is difficult issue to handle. It is therefore neccessary to improve or...
22 March 2016 2,746 1 View
China takes lead of the world in direct use of geothermal heat. Its growing speed is still far behind that of solar and wind power. It is neccessary to deploy more effective policies for...
17 March 2016 8,226 7 View
In order to support geothermal resources management, it is neccessary to know the extent of recharge area of a geothermal system. However, this issue is less understood for non-volcanic geothermal...
03 March 2016 9,536 6 View
Chemical geothermometers are used to estimate geothermal reservior temperatures. However, there are many different geothermometry methods that give identical temperature estimates in some cases...
20 December 2015 8,479 5 View
Recharge rate is an important parameter in groundwater assessment.
17 October 2013 8,573 3 View
Hot dry rock resource is geothermal energy without water/steam.
14 October 2013 6,364 8 View
How is water salinity classified in the desalinization industry?
07 October 2013 5,183 5 View
In agricultural areas, groundwater nitrate levels can be much higher than the drinking water standard, e.g. North China Plain. It seems that a holistic approach is required to solve this problem....
16 January 2013 8,056 38 View
Actually measured age
01 January 2013 8,388 7 View
Deterium excess, or d, is defined by the following equation: d=delta(H-2)-8delta(O-18) what are the applications that have so far been reported in the literature?
01 January 1970 4,179 5 View
