The rainstorms triggered by Hagupit have caused waterlogging as deep as 120 centimeters in some areas.

“黑格比”引发的强部分地区的最深积水达120厘米。

One of the main causes of salinity is waterlogging.

盐度的主要原因之一是内涝。

One of the main causes of salinity is waterlogging. First, land is cleared for crops to grow.

盐度的主要原因之一是内涝。 首先，清理土地以种植农作物。

And the sentence tells us that one of the main causes of this problem is waterlogging.

而这句话告诉我们， 造成这个问题的主要原因之一是内涝。

Meanwhile, the neighboring Hebei Province has also activated the highest level alerts for rainstorms, flood control, and waterlogging prevention in response to the heavy rainfall.

与此同时，邻近的河北省也启动了暴、防洪和防涝的最高级别警报，以应对强。