Jodhpur city has been experiencing a significant rise in ground water levels leading to inundation in recent years. Previous studies suggested that ground water flow through a set of E-W trending lineaments from the Kailana-Takhat Sagar reservoir to the city areas was causative for the rise of ground water in the city. Therefore, the present study focuses on the role of the lineaments surrounding the reservoir in facilitating ground water flow to the city areas. Our exercise involved analysis of lineaments using high-resolution satellite images followed by geological and geophysical mapping. In the satellite images, a majority of the lineaments are oriented in the NNE-SSW to NE-SW directions with no connectivity to the city areas. A few lineaments with ESE-WNW orientations are present but these are small, without any connectivity to the affected areas in the city. Field studies involving 4800 strike/dip and fracture spacing measurements along the lineaments reveal the predominance of NNE-SSW to NE-SW oriented fracture systems similar to the lineaments. The lineaments surrounding the reservoir have a mean fracture spacing of ∼15–30 cm. The fracture related secondary porosity is small (< 1%), which is significantly lower than the bulk porosity of the Jodhpur sandstone (8.4 %) which is abundant in the affected city areas. Multichannel analysis of surface waves studies at twenty earmarked sites across the lineaments did not reveal any major fracture in the subsurface up to a depth of 35 meters, thereby corroborating the findings that the structural lineaments abounding the Kailana-Takhat Sagar reservoir cannot serve as ground water conduits for transporting ground water to the inundated areas in Jodhpur.

近年来，焦特布尔市的地下水位显着上升，导致洪水泛滥。先前的研究表明，地下水从 Kailana-Takhat Sagar 水库流经一组 EW 趋势线到市区是导致该市地下水上升的原因。因此，本研究的重点是围绕水库的线条在促进地下水流向城市地区方面的作用。我们的练习涉及使用高分辨率卫星图像分析线条，然后进行地质和地球物理测绘。在卫星图像中，大部分线路朝向 NNE-SSW 到 NE-SW 方向，与市区没有连通性。存在一些具有 ESE-WNW 方向的线条，但这些线条很小，与城市中受影响的地区没有任何联系。沿线进行 4800 次走向/倾角和裂缝间距测量的实地研究揭示了 NNE-SSW 对类似于线的 NE-SW 定向裂缝系统的优势。储层周围的线条平均裂缝间距约为 15-30 厘米。与裂缝相关的次生孔隙度较小（<1%），明显低于受影响城市地区丰富的焦特布尔砂岩的体积孔隙度（8.4%）。在 20 个沿线指定地点的表面波研究的多通道分析没有显示地下高达 35 米的任何重大裂缝，