References
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Régimen Térmico en la Peninsula Ibérica. Estructura Litosférica a través del Macizo Ibérico y el Margen Surportugués
Anomalous temperatures in central Scotia Sea sediments - Bottom water variation or pore water circulation in old ocean crust
Heat flow, deep temperature and thermal structure across the orogenic belts in Southeast China
The pattern of heat flow density in Southeast China is presented in the form of heat flow map based on 150 values of heat flow measured in recent years. A two-dimensional numerical solution of the heat conduction equation was used to calculate the temperature held to a depth of 60 km along two geotraverses: the 360 km long Wenzhou-Tunxi (WT) and the 1000 km long eastern segment of the Quanzhou-Heishui (QH), They cross all the major tectonic elements of orogenic belts in Southeast China. The steady-state model was solved using the finite element method. The distribution of heat production was …
Heat flow of Copahue geothermal field, and its relation with tectonic scheme
Structure of Heat Flow in the Sea of Okhotsk Region
Site 1151
Three‐dimensional structure of the Laguna Salada Basin and its thermal regime
Abstract A comprehensive reinterpretation of the available gravity, magnetic, geothermal, geological and borehole information has been made of the Laguna Salada Basin to establish a 3D model of the basement and sedimentary infill. According to statistical spectral analysis, the residual gravity anomaly is due to sources with a mean regional depth of 2.8 km. The topography of the basement was obtained from a three‐dimensional inversion carried out in the wavenumber domain using an iterative scheme. The maximum density contrast of −300 kg/m3 estimated from previous studies and the mean depth of 2.5 km finally constrained this inversion. The resulting model …
Heat flow and deep thermal structure near the southeastern edge of the Canadian Shield
Heat flow measurements in 4 deep drillholes near Voisey Bay, Labrador, have yielded the lowest value ever reported in the Canadian Shield, 22 mW m(-2). This very reliable-estimate is also one of the lowest continental heat flow values world wide. It requires the crust to be very poor in radioelements in this part of the Archean Nain Province. It also strongly supports the view that mantle heat flow is low (< 15 mW m(-2)) throughout the Canadian Shield, with no trend of increasing mantle heat flaw near the edges of the continent. It also raises questions about the controlling …
Crustal composition and mantle heat flow: Implications from surface heat flow and radiogenic heat production in the Variscan Erzgebirge (Germany)
Low mantle heat flow at the edge of the North American continent, Voisey Bay, Labrador
Heat flow measurements in 4 deep drillholes near Voisey Bay, Labrador, have yielded the lowest value ever reported in the Canadian Shield, 22 mW m(-2). This very reliable-estimate is also one of the lowest continental heat flow values world wide. It requires the crust to be very poor in radioelements in this part of the Archean Nain Province. It also strongly supports the view that mantle heat flow is low (< 15 mW m(-2)) throughout the Canadian Shield, with no trend of increasing mantle heat flaw near the edges of the continent. It also raises questions about the controlling …
Izuchenie roli radiogennoj teplogeneracii i vliyaniya paleoklimata na formirovanie zony anomal'no nizkih teplovyh potokov na Yuzhnom Urale (The study of the role of radiogenic heat production and the influence of paleoclimate on the formation of abnormally low heat flow’s zone in the Southern Urals )
Heat flow variations from bottom simulating reflectors on the Cascadia margin
A bottom simulating reflector (BSR), representing the base of the gas hydrate stability field, was observed over a closely spaced grid of seismic lines on the continental slope of the northern Cascadia margin. A simple conductive model was used to calculate heat Row from the depth of the BSR. A regional trend was observed, in which heat flow decreased landward across the margin from an average of similar to 80 mW/m(2) at a distance of 15 km from the deformation front to similar to 65 mW/m(2) at a distance of 40 km. This trend reflects the processes of tectonic thickening …
Leg 186 Summary
Heat flow in the continental area of China: a new data set
A new compilation of heat flow data for the continental area of China has been constructed using both published data (up to 1999) as well as previously unpublished data. The data set is composed of 862 observations from different sites. Within the continental area of China, heat flow values range from 23 to 319 mW/m(2), with a mean of 63 +/- 24.2 mW/m2. If non-conductive values related to local hydrothermal systems are excluded, the representative average heat flow is 61 +/- 15.5 mW/m(2) (n = 823), with an associated range of 30-140 mW/m(2). Heat flow analysis for each specific subtectonic …
Site 1150
Teplovoj potok kimberlitovyh provincij drevnih platform (Heat flow of kimberlite provinces of ancient platforms )
Teplovoj potok i geotemperaturnoe pole Bajkal'skogo regiona (Heat flow and geotemperature field of the Baikal region )
High heat flow anomaly observed on the seaward slope of the Japan Trench
Geophysical consequences of the Cordillera-Craton thermal transition in southwestern Canada
There is a pronounced increase in heat flow and lithosphere temperatures across the transition from the stable North American Craton to the southeastern Canadian Cordillera. The heat flow increases from 40-60 mW m(-2) in the Craton to 80-100 mW m(-2) in the Cordillera. There are numerous reliable heat flow data in the Cordillera but measurements in the Western Canada Sedimentary Basin overlying the adjacent Craton are in petroleum exploration wells with inherent low accuracy and are affected by hydrological effects. However, the deep thermal boundary is well defined based upon contrasts in several other temperature-sensitive geophysical parameters. The boundary is …