磐石的地理环境

2025-03-09 08:59:02
推荐回答(1个)
回答1:

低山区
磐石市境内低山区面积1730.72平方千米,占全市总面积的43.66%。分布于呼兰河与释马河分水岭地区和吉昌镇、朝阳山镇、石咀镇、明城镇的南部、宝山乡北部等地区。海拔高度700米~1000米,相对高度150米~700米,坡度15。~40。。低山构造以剥蚀低山为主,少数山顶为平坦的浑圆状,切割度轻微,植被覆盖率较好。
丘陵区
磐石市境内丘陵面积1308平方千米,占全市总面积的32.98%。分布于烟筒山镇东南部、石咀镇、富太镇、宝山乡、松山镇南部、朝阳山镇等地和呼兰镇、牛心镇、红旗岭镇、黑石镇的部分或大部分地区。丘陵多为构造剥蚀而成,形态多为浑圆状,少数为馒头状、陵岗状、平顶状,海拔350~700米,相对高度50米~200米,坡度10。~45。。
河谷平原
磐石市境内河谷平原较少,分布在境内东南和西北地区的河谷平地上。在沿河两岸也零星分布着小块的冲积平地,并形成阶地、河漫滩等。挡石河流域面积1.5万公顷;小黄河、玻璃河流域面积2万余公顷;富太河流域面积1万余公顷;呼兰河流域面积1万公顷;辉发河流域面积1万公顷;饮马河流域面积1万余公顷。河谷平原土质黝黑,水源充足,是磐石市水稻重点产区。
喀斯特地貌
磐石市境内石灰岩低山区的喀斯特地貌发育多种多样,地表与岩溶景观特异。喀斯特地貌主要分布在牛心、烟筒山、明城、吉昌、石咀等镇,南北长60余千米,东西宽约15千米。其中:溶洞以烟筒山镇官马溶洞最大,现已开发为旅游景点;仙人洞(福安街)、小新开岭(石咀)、冰窖(吉昌)、窟窿山(牛心虎龙)等溶洞次之。瀑布有烟筒山镇石虎沟吊水壶瀑布。暗河有牛心镇肖家、明城镇钢叉山、吉昌镇满井、烟筒山镇官马溶洞等4条暗河。峭壁以辉发河岸7碱最为典型。 吉林哈达岭山脉
东北一西南走向,海拔400米~1400米,属长白山系。从辽宁省境内的城子山(西丰县东南)起,经西丰、东辽、磐石(支脉老爷岭从朝阳山镇人境)、永吉等县境,至磐石市取柴河镇境内折向东北太平岭、肇大鸡山、南楼山、摩天岭、马屁股山诸峰与大老爷岭相接。哈达岭共有高、中、低山峰100余座,山势雄浑,植被葱郁,富矿藏,多野生动物。哈达岭是辉发河与东辽河的分水岭,松花江横截山脉东北端。
老爷岭支脉
横贯磐石市境中部,东西走向,长100余千米,海拔高度500米以上,属吉林哈达岭山脉支脉。老爷岭为辉发河与饮马河两大水系主要支流发源地、分水岭。老爷岭支脉从市境西部朝阳山镇人境,蜿蜒起伏至取柴河镇东北出镜,山势锦连,高峰叠起,共有山峰40余座,其中500米以上的有34座。老爷岭余脉伸展到全市境内,多为低山丘陵构造,山体短小,走向紊乱,岗峦起伏,沟谷交错,溪水萦回。
龙岗山脉
属长白山系,位于磐石市东南部与辉南县、桦甸市交界处,东北一西南走向。磐石市境内老道岭、松树人山、东大顶子、王小沟大顶子、色树岭等山峰均属龙岗山脉,森林茂密,野生动、植物资源丰富。 2015年,磐石市城乡低保保障标准分别达到月人均380元和年人均3000元,位居全省县市前列。城镇新增就业9360人,“零就业家庭”保持动态为零。启动实施精准扶贫,5600人实现脱贫。法律援助实现应援尽援、应援速援。食品药品监管工作取得新成绩,进入省级食品药品安全示范县行列。改造供水、供热等管网43.1千米。全面取缔城区洗浴业燃煤小锅炉,实现天然气替代。社会治安防控体系不断完善,一批信访积案得到有效化解,各类安全专项整治行动持续开展,全市安全形势总体平稳。

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