The phrase "a sufficient depth of" is correct and usable in written English.
It can be used when discussing the adequacy or appropriateness of the level of detail or complexity in a particular context.
Example: "The report provided a sufficient depth of analysis to support the conclusions drawn."
Alternatives: "an adequate level of" or "a suitable amount of".
However, I am sure there are those who believe that to reach a sufficient depth of insight and feeling you must work on one project to the exclusion of all else.
River traffic moving upstream from the delta is frequently delayed at Lokoja, Nigeria, waiting for a sufficient depth of water, and is obliged to return before the level falls too low.
Nothing that the human mind has invented can tame a tide rip or control the rhythm of the water's ebb and flow, and we have no devices that will carry a vessel over a shoal before an incoming tide has brought a sufficient depth of water.
In other words, gaining a sufficient depth of anesthesia is feasible through controlling the blood pressure related factors such as the MAP (Mean Arterial Pressure which is measured in mmHg) so that it falls within a predetermined range.
No modification of the microscope was needed except the provision of a ring to retain a sufficient depth of methanol for imaging.
The isoflurane concentration was adjusted to provide a sufficient depth of anaesthesia as judged by the ocular reflexes and increase in blood pressure and heart and respiratory rates above 20% when compared with preoperative values.
With a reasonable programming of the work, this operation can usually be done without particular difficulty, assuming that the seabed is of a composition reasonably amenable to penetration by piles to a sufficient depth to secure the lateral stability of the structure.
To give a floating dock sufficient depth of water for submerging the docking blocks below the keel of the ship to be docked, it may be necessary to dredge a berth for it.
I'd go for a relatively robust rosé, with sufficient depth of red fruit flavour and a cranberryish acidity.
By 1734 boats "of moderate size" were able to make the journey from quays near Water Street in Manchester to the Irish Sea, but the navigation was only suitable for small ships; during periods of low rainfall or when strong easterly winds held back the tide in the estuary, there was not always sufficient depth of water for a fully laden boat.
The sample arm used consisted of two galvanometers (Cambridge technologies) and a compound objective lens designed to provide sufficient depth of field to demonstrate the extended imaging range of the SSOCT systems [ 25].
