Nitrogen Uptake in the Northeastern Arabian Sea during Winter Cooling

Table 1

Euphotic zone integrated 𝑁𝑂₃⁻ and 𝑁𝐻₄⁺ uptake rates, chl 𝑎, ambient 𝑁𝑂₃⁻ and 𝑁𝐻₄⁺ concentrations along with mixed layer and euphotic depths at different stations during January and late February-early March.

	Stn.	Latitude (N)	Longitude (E)	NO3^− Uptake (mmol N m^−2 d^−1)	NH4^+ Uptake (mmol N m^−2 d^−1)	Chl (mg m^−2)	NO3^− (mmol m^−2)	NH4^+ (mmol m^−2)	MLD (m)	Euphotic Depth (m)
January	PP1	15^∘14.05^′	70^∘46.0^′	1.77	10.00	26.39	150.52	4.24	48	70
	PP2	18^∘16.73^′	67^∘12.63^′	1.58	5.39	28.88	116.70	3.02	77	70
	PP3	20^∘57.66	66^∘54.41^′	1.03	3.78	28.16	254.01	8.40	82	65
	PP4	22^∘12.16^′	66^∘41.68^′	2.51	7.72	31.84	212.86	4.90	111	65
	PP5	21^∘22.43^′	68^∘11.85^′	2.48	5.39	27.47	155.82	3.83	78	60
	PP6	20^∘26.25^′	70^∘23.58^′	4.25	6.14	ND	5.20	0.55	53	25
Late Feb-Early March	FM1	17^∘19.02^′	70^∘11.82^′	10.95	ND	36.60	174.04	ND	58	85
	FM2	18^∘48.33^′	68^∘28.53^′	10.14	ND	38.77	536.65	ND	64	85
	FM3	19^∘5.03^′	66^∘51.82	18.31	ND	45.19	22.25	ND	53	42
	FM4	20^∘44.42^′	66^∘58.82	23.22	ND	52.55	52.92	ND	46	44
	FM5	20^∘28.88^′	67^∘30.24^′	7.82	ND	45.37	132.23	ND	90	42
	FM6	18^∘57.71^′	69^∘21.17^′	5.71	ND	29.40	24.86	ND	71	58